problem with Metaheuristics

[Dario-Rosa85]

I am trying to use some Differential Evolution algorithm but I am finding a problem. As explained in the quick start section I am running the following two lines

using Nonconvex
Nonconvex.@load Metaheuristics

but I am getting the following errors

[ Info: Attempting to load the package NonconvexMetaheuristics.
[ Info: Precompiling NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7]
WARNING: could not import Metaheuristics.MCCGA into NonconvexMetaheuristics
WARNING: could not import Metaheuristics.GA into NonconvexMetaheuristics
ERROR: LoadError: UndefVarError: GA not defined
Stacktrace:
 [1] top-level scope
   @ ~/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:13
 [2] include
   @ ./Base.jl:419 [inlined]
 [3] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt64}}, source::Nothing)
   @ Base ./loading.jl:1554
 [4] top-level scope
   @ stdin:1
in expression starting at /home/dario/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:1
in expression starting at stdin:1
[ Info: Couldn't find the package NonconvexMetaheuristics. Attempting to install it.
┌ Warning: could not download https://pkg.julialang.org/registries
│   exception = HTTP/2 301 (Couldn't connect to server) while requesting https://pkg.julialang.org/registries
└ @ Pkg.Registry /cache/build/default-amdci5-0/julialang/julia-release-1-dot-8/usr/share/julia/stdlib/v1.8/Pkg/src/Registry/Registry.jl:68
    Updating registry at `~/.julia/registries/General.toml`
   Resolving package versions...
  No Changes to `~/.julia/environments/v1.8/Project.toml`
  No Changes to `~/.julia/environments/v1.8/Manifest.toml`
[ Info: NonconvexMetaheuristics installed.
[ Info: Attempting to load the package NonconvexMetaheuristics.
[ Info: Precompiling NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7]
WARNING: could not import Metaheuristics.MCCGA into NonconvexMetaheuristics
WARNING: could not import Metaheuristics.GA into NonconvexMetaheuristics
ERROR: LoadError: UndefVarError: GA not defined
Stacktrace:
 [1] top-level scope
   @ ~/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:13
 [2] include
   @ ./Base.jl:419 [inlined]
 [3] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt64}}, source::Nothing)
   @ Base ./loading.jl:1554
 [4] top-level scope
   @ stdin:1
in expression starting at /home/dario/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:1
in expression starting at stdin:1
ERROR: Failed to precompile NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7] to /home/dario/.julia/compiled/v1.8/NonconvexMetaheuristics/jl_RtTMzL.
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:35
 [2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::IO, internal_stdout::IO, keep_loaded_modules::Bool)
   @ Base ./loading.jl:1705
 [3] compilecache
   @ ./loading.jl:1649 [inlined]
 [4] _require(pkg::Base.PkgId)
   @ Base ./loading.jl:1337
 [5] _require_prelocked(uuidkey::Base.PkgId)
   @ Base ./loading.jl:1200
 [6] macro expansion
   @ ./loading.jl:1180 [inlined]
 [7] macro expansion
   @ ./lock.jl:223 [inlined]
 [8] require(into::Module, mod::Symbol)
   @ Base ./loading.jl:1144
 [9] top-level scope
   @ ~/.julia/packages/Nonconvex/OhHdi/src/Nonconvex.jl:68

caused by: Failed to precompile NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7] to /home/dario/.julia/compiled/v1.8/NonconvexMetaheuristics/jl_Hw6iEs.
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:35
 [2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::IO, internal_stdout::IO, keep_loaded_modules::Bool)
   @ Base ./loading.jl:1705
 [3] compilecache
   @ ./loading.jl:1649 [inlined]
 [4] _require(pkg::Base.PkgId)
   @ Base ./loading.jl:1337
 [5] _require_prelocked(uuidkey::Base.PkgId)
   @ Base ./loading.jl:1200
 [6] macro expansion
   @ ./loading.jl:1180 [inlined]
 [7] macro expansion
   @ ./lock.jl:223 [inlined]
 [8] require(into::Module, mod::Symbol)
   @ Base ./loading.jl:1144
 [9] top-level scope
   @ ~/.julia/packages/Nonconvex/OhHdi/src/Nonconvex.jl:56

any suggestions?

[mohamed82008]

Can you show the output of ] st --manifest in the REPL?

[mohamed82008]

Note that I ran into the same issue in jmejia8/Metaheuristics.jl#31 (comment) and the following documentation page explains the fix we should have here. Basically I need to change the default mutation for real vs binary encodings.

https://jmejia8.github.io/Metaheuristics.jl/stable/algorithms/#Metaheuristics.GA

[mohamed82008]

You can get it to work by passing the correct mutation as an option.

[Dario-Rosa85]

Note that I ran into the same issue in jmejia8/Metaheuristics.jl#31 (comment) and the following documentation page explains the fix we should have here. Basically I need to change the default mutation for real vs binary encodings.

https://jmejia8.github.io/Metaheuristics.jl/stable/algorithms/#Metaheuristics.GA

here is the required output

(@v1.8) pkg> st --manifest
Status `~/.julia/environments/v1.8/Manifest.toml`
  [14f7f29c] AMD v0.5.0
  [c3fe647b] AbstractAlgebra v0.27.5
  [c29ec348] AbstractDifferentiation v0.4.3
  [621f4979] AbstractFFTs v1.2.1
⌅ [1520ce14] AbstractTrees v0.3.4
  [79e6a3ab] Adapt v3.4.0
  [dce04be8] ArgCheck v2.3.0
  [ec485272] ArnoldiMethod v0.2.0
  [4fba245c] ArrayInterface v6.0.23
  [30b0a656] ArrayInterfaceCore v0.1.22
  [b0d46f97] ArrayInterfaceStaticArrays v0.1.4
  [dd5226c6] ArrayInterfaceStaticArraysCore v0.1.3
  [bf4720bc] AssetRegistry v0.1.0
  [15f4f7f2] AutoHashEquals v0.2.0
  [13072b0f] AxisAlgorithms v1.0.1
  [198e06fe] BangBang v0.3.37
  [9718e550] Baselet v0.1.1
  [6e4b80f9] BenchmarkTools v1.3.1
  [e2ed5e7c] Bijections v0.1.4
  [9e28174c] BinDeps v1.0.2
  [ad839575] Blink v0.12.5
  [a74b3585] Blosc v0.7.3
  [fa961155] CEnum v0.4.2
  [96374032] CRlibm v1.0.1
  [49dc2e85] Calculus v0.5.1
  [082447d4] ChainRules v1.44.7
⌃ [d360d2e6] ChainRulesCore v1.15.3
  [9e997f8a] ChangesOfVariables v0.1.4
  [523fee87] CodecBzip2 v0.7.2
  [944b1d66] CodecZlib v0.7.0
  [35d6a980] ColorSchemes v3.19.0
  [3da002f7] ColorTypes v0.11.4
  [c3611d14] ColorVectorSpace v0.9.9
  [5ae59095] Colors v0.12.8
  [861a8166] Combinatorics v1.0.2
  [38540f10] CommonSolve v0.2.1
  [bbf7d656] CommonSubexpressions v0.3.0
⌃ [34da2185] Compat v4.2.0
  [b152e2b5] CompositeTypes v0.1.2
  [a33af91c] CompositionsBase v0.1.1
  [187b0558] ConstructionBase v1.4.1
  [d38c429a] Contour v0.6.2
  [a8cc5b0e] Crayons v4.1.1
⌃ [9a962f9c] DataAPI v1.10.0
  [864edb3b] DataStructures v0.18.13
  [e2d170a0] DataValueInterfaces v1.0.0
  [244e2a9f] DefineSingletons v0.1.2
  [b429d917] DensityInterface v0.4.0
⌃ [163ba53b] DiffResults v1.0.3
  [b552c78f] DiffRules v1.12.0
  [c78775a3] DifferentiableFlatten v0.1.0
  [31c24e10] Distributions v0.25.76
⌅ [ffbed154] DocStringExtensions v0.8.6
  [5b8099bc] DomainSets v0.5.14
  [fa6b7ba4] DualNumbers v0.6.8
  [7c1d4256] DynamicPolynomials v0.4.5
  [4e289a0a] EnumX v1.0.3
  [90fa49ef] ErrorfreeArithmetic v0.5.2
  [e2ba6199] ExprTools v0.1.8
  [411431e0] Extents v0.1.1
  [c87230d0] FFMPEG v0.4.1
  [9aa1b823] FastClosures v0.3.2
  [fa42c844] FastRounding v0.3.1
⌃ [5789e2e9] FileIO v1.15.0
  [1a297f60] FillArrays v0.13.5
  [6a86dc24] FiniteDiff v2.15.0
  [53c48c17] FixedPointNumbers v0.8.4
  [59287772] Formatting v0.4.2
  [f6369f11] ForwardDiff v0.10.32
  [069b7b12] FunctionWrappers v1.1.3
  [77dc65aa] FunctionWrappersWrappers v0.1.1
  [de31a74c] FunctionalCollections v0.5.0
  [0c68f7d7] GPUArrays v8.5.0
  [46192b85] GPUArraysCore v0.1.2
⌅ [28b8d3ca] GR v0.66.2
  [cf35fbd7] GeoInterface v1.0.1
⌃ [5c1252a2] GeometryBasics v0.4.3
  [4d00f742] GeometryTypes v0.8.5
⌃ [bd48cda9] GraphRecipes v0.5.9
⌃ [86223c79] Graphs v1.7.2
  [42e2da0e] Grisu v1.0.2
  [0b43b601] Groebner v0.2.10
  [d5909c97] GroupsCore v0.4.0
  [c8ec2601] H5Zblosc v0.1.0
⌃ [f67ccb44] HDF5 v0.16.11
⌅ [cd3eb016] HTTP v0.9.17
  [9fb69e20] Hiccup v0.2.2
  [34004b35] HypergeometricFunctions v0.3.11
  [7869d1d1] IRTools v0.4.7
  [615f187c] IfElse v0.1.1
  [d25df0c9] Inflate v0.1.3
  [83e8ac13] IniFile v0.5.1
  [22cec73e] InitialValues v0.3.1
  [18e54dd8] IntegerMathUtils v0.1.0
⌅ [a98d9a8b] Interpolations v0.13.6
  [d1acc4aa] IntervalArithmetic v0.20.7
  [8197267c] IntervalSets v0.7.3
⌃ [3587e190] InverseFunctions v0.1.7
  [92d709cd] IrrationalConstants v0.1.1
  [c8e1da08] IterTools v1.4.0
  [42fd0dbc] IterativeSolvers v0.9.2
  [82899510] IteratorInterfaceExtensions v1.0.0
  [4138dd39] JLD v0.13.2
⌃ [033835bb] JLD2 v0.4.22
  [692b3bcd] JLLWrappers v1.4.1
  [97c1335a] JSExpr v0.5.4
  [682c06a0] JSON v0.21.3
  [4076af6c] JuMP v1.3.1
  [0b1a1467] KrylovKit v0.5.4
  [40e66cde] LDLFactorizations v0.10.0
  [929cbde3] LLVM v4.14.0
  [b964fa9f] LaTeXStrings v1.3.0
⌃ [2ee39098] LabelledArrays v1.12.2
  [984bce1d] LambertW v0.4.5
⌃ [23fbe1c1] Latexify v0.15.16
  [50d2b5c4] Lazy v0.15.1
  [7a12625a] LinearMaps v3.8.0
  [5c8ed15e] LinearOperators v2.4.1
  [2ab3a3ac] LogExpFunctions v0.3.18
⌃ [1914dd2f] MacroTools v0.5.9
  [b8f27783] MathOptInterface v1.8.2
  [fdba3010] MathProgBase v0.7.8
⌃ [739be429] MbedTLS v1.1.4
  [442fdcdd] Measures v0.3.1
⌃ [bcdb8e00] Metaheuristics v3.1.1
  [e9d8d322] Metatheory v1.3.5
  [128add7d] MicroCollections v0.1.3
  [e1d29d7a] Missings v1.0.2
  [102ac46a] MultivariatePolynomials v0.4.6
  [ffc61752] Mustache v1.0.14
  [d8a4904e] MutableArithmetics v1.0.5
⌅ [a975b10e] Mux v0.7.6
  [a4795742] NLPModels v0.19.1
  [76087f3c] NLopt v0.6.5
⌅ [77ba4419] NaNMath v0.3.7
  [d9ec5142] NamedTupleTools v0.14.1
  [46757867] NetworkLayout v0.4.4
  [01bcebdf] Nonconvex v2.1.1
  [035190e5] NonconvexCore v1.3.0
  [ece49558] NonconvexMetaheuristics v0.1.0
  [b43a31b8] NonconvexNLopt v0.1.5
  [c48e48a2] NonconvexUtils v0.4.1
  [e7bfaba1] NumericalIntegration v0.3.3
⌃ [510215fc] Observables v0.5.1
⌃ [6fe1bfb0] OffsetArrays v1.12.7
  [bac558e1] OrderedCollections v1.4.1
  [90014a1f] PDMats v0.11.16
  [d96e819e] Parameters v0.12.3
⌃ [69de0a69] Parsers v2.4.0
  [fa939f87] Pidfile v1.3.0
⌃ [ccf2f8ad] PlotThemes v3.0.0
⌃ [995b91a9] PlotUtils v1.3.0
⌃ [a03496cd] PlotlyBase v0.8.18
⌃ [f0f68f2c] PlotlyJS v0.18.8
⌃ [91a5bcdd] Plots v1.31.7
  [f27b6e38] Polynomials v3.2.0
  [d236fae5] PreallocationTools v0.4.4
  [21216c6a] Preferences v1.3.0
  [27ebfcd6] Primes v0.5.3
  [1fd47b50] QuadGK v2.5.0
  [fb686558] RandomExtensions v0.4.3
  [c84ed2f1] Ratios v0.4.3
  [c1ae055f] RealDot v0.1.0
⌃ [3cdcf5f2] RecipesBase v1.2.1
⌃ [01d81517] RecipesPipeline v0.6.3
  [731186ca] RecursiveArrayTools v2.32.0
  [189a3867] Reexport v1.2.2
  [42d2dcc6] Referenceables v0.1.2
⌅ [05181044] RelocatableFolders v0.3.0
  [ae029012] Requires v1.3.0
  [79098fc4] Rmath v0.7.0
  [5eaf0fd0] RoundingEmulator v0.2.1
  [7e49a35a] RuntimeGeneratedFunctions v0.5.3
  [0bca4576] SciMLBase v1.63.0
  [6c6a2e73] Scratch v1.1.1
  [3cc68bcd] SetRounding v0.2.1
  [efcf1570] Setfield v1.1.1
  [992d4aef] Showoff v1.0.3
  [699a6c99] SimpleTraits v0.9.4
  [ff4d7338] SolverCore v0.3.2
  [a2af1166] SortingAlgorithms v1.0.1
  [47a9eef4] SparseDiffTools v1.27.0
  [276daf66] SpecialFunctions v2.1.7
  [171d559e] SplittablesBase v0.1.15
  [aedffcd0] Static v0.7.7
⌃ [90137ffa] StaticArrays v1.5.6
⌅ [1e83bf80] StaticArraysCore v1.3.0
  [82ae8749] StatsAPI v1.5.0
  [2913bbd2] StatsBase v0.33.21
  [4c63d2b9] StatsFuns v1.0.1
⌃ [09ab397b] StructArrays v0.6.12
  [d1185830] SymbolicUtils v0.19.11
  [0c5d862f] Symbolics v4.13.0
  [3783bdb8] TableTraits v1.0.1
⌃ [bd369af6] Tables v1.7.0
  [62fd8b95] TensorCore v0.1.1
⌅ [8ea1fca8] TermInterface v0.2.3
  [ac1d9e8a] ThreadsX v0.1.11
  [a759f4b9] TimerOutputs v0.5.21
  [3bb67fe8] TranscodingStreams v0.9.9
  [28d57a85] Transducers v0.4.74
  [a2a6695c] TreeViews v0.3.0
  [30578b45] URIParser v0.4.1
  [5c2747f8] URIs v1.4.0
  [3a884ed6] UnPack v1.0.2
  [1cfade01] UnicodeFun v0.4.1
⌅ [b8865327] UnicodePlots v1.4.0
⌅ [41fe7b60] Unzip v0.1.2
  [19fa3120] VertexSafeGraphs v0.2.0
  [0f1e0344] WebIO v0.8.18
  [104b5d7c] WebSockets v1.5.9
  [cc8bc4a8] Widgets v0.6.6
  [efce3f68] WoodburyMatrices v0.5.5
⌃ [c2297ded] ZMQ v1.2.1
  [e88e6eb3] Zygote v0.6.49
  [700de1a5] ZygoteRules v0.2.2
  [0b7ba130] Blosc_jll v1.21.1+0
  [6e34b625] Bzip2_jll v1.0.8+0
  [4e9b3aee] CRlibm_jll v1.0.1+0
  [83423d85] Cairo_jll v1.16.1+1
⌃ [5ae413db] EarCut_jll v2.2.3+0
  [2e619515] Expat_jll v2.4.8+0
  [b22a6f82] FFMPEG_jll v4.4.2+2
  [a3f928ae] Fontconfig_jll v2.13.93+0
  [d7e528f0] FreeType2_jll v2.10.4+0
  [559328eb] FriBidi_jll v1.0.10+0
  [0656b61e] GLFW_jll v3.3.8+0
⌃ [d2c73de3] GR_jll v0.66.2+0
  [78b55507] Gettext_jll v0.21.0+0
⌃ [7746bdde] Glib_jll v2.68.3+2
  [3b182d85] Graphite2_jll v1.3.14+0
  [0234f1f7] HDF5_jll v1.12.2+2
  [2e76f6c2] HarfBuzz_jll v2.8.1+1
  [aacddb02] JpegTurbo_jll v2.1.2+0
  [f7e6163d] Kaleido_jll v0.2.1+0
  [c1c5ebd0] LAME_jll v3.100.1+0
  [88015f11] LERC_jll v3.0.0+1
  [dad2f222] LLVMExtra_jll v0.0.16+0
  [dd4b983a] LZO_jll v2.10.1+0
  [e9f186c6] Libffi_jll v3.2.2+1
  [d4300ac3] Libgcrypt_jll v1.8.7+0
  [7e76a0d4] Libglvnd_jll v1.3.0+3
  [7add5ba3] Libgpg_error_jll v1.42.0+0
  [94ce4f54] Libiconv_jll v1.16.1+1
  [4b2f31a3] Libmount_jll v2.35.0+0
  [89763e89] Libtiff_jll v4.4.0+0
  [38a345b3] Libuuid_jll v2.36.0+0
  [5ced341a] Lz4_jll v1.9.3+0
  [079eb43e] NLopt_jll v2.7.1+0
  [e7412a2a] Ogg_jll v1.3.5+1
  [458c3c95] OpenSSL_jll v1.1.17+0
  [efe28fd5] OpenSpecFun_jll v0.5.5+0
  [91d4177d] Opus_jll v1.3.2+0
  [2f80f16e] PCRE_jll v8.44.0+0
  [30392449] Pixman_jll v0.40.1+0
  [ea2cea3b] Qt5Base_jll v5.15.3+1
  [f50d1b31] Rmath_jll v0.3.0+0
  [a2964d1f] Wayland_jll v1.19.0+0
  [2381bf8a] Wayland_protocols_jll v1.25.0+0
  [02c8fc9c] XML2_jll v2.9.14+0
  [aed1982a] XSLT_jll v1.1.34+0
  [4f6342f7] Xorg_libX11_jll v1.6.9+4
  [0c0b7dd1] Xorg_libXau_jll v1.0.9+4
  [935fb764] Xorg_libXcursor_jll v1.2.0+4
  [a3789734] Xorg_libXdmcp_jll v1.1.3+4
  [1082639a] Xorg_libXext_jll v1.3.4+4
  [d091e8ba] Xorg_libXfixes_jll v5.0.3+4
  [a51aa0fd] Xorg_libXi_jll v1.7.10+4
  [d1454406] Xorg_libXinerama_jll v1.1.4+4
  [ec84b674] Xorg_libXrandr_jll v1.5.2+4
  [ea2f1a96] Xorg_libXrender_jll v0.9.10+4
  [14d82f49] Xorg_libpthread_stubs_jll v0.1.0+3
  [c7cfdc94] Xorg_libxcb_jll v1.13.0+3
  [cc61e674] Xorg_libxkbfile_jll v1.1.0+4
  [12413925] Xorg_xcb_util_image_jll v0.4.0+1
  [2def613f] Xorg_xcb_util_jll v0.4.0+1
  [975044d2] Xorg_xcb_util_keysyms_jll v0.4.0+1
  [0d47668e] Xorg_xcb_util_renderutil_jll v0.3.9+1
  [c22f9ab0] Xorg_xcb_util_wm_jll v0.4.1+1
  [35661453] Xorg_xkbcomp_jll v1.4.2+4
  [33bec58e] Xorg_xkeyboard_config_jll v2.27.0+4
  [c5fb5394] Xorg_xtrans_jll v1.4.0+3
  [8f1865be] ZeroMQ_jll v4.3.4+0
  [3161d3a3] Zstd_jll v1.5.2+0
  [a4ae2306] libaom_jll v3.4.0+0
  [0ac62f75] libass_jll v0.15.1+0
  [f638f0a6] libfdk_aac_jll v2.0.2+0
  [b53b4c65] libpng_jll v1.6.38+0
  [a9144af2] libsodium_jll v1.0.20+0
  [f27f6e37] libvorbis_jll v1.3.7+1
  [1270edf5] x264_jll v2021.5.5+0
  [dfaa095f] x265_jll v3.5.0+0
  [d8fb68d0] xkbcommon_jll v1.4.1+0
  [0dad84c5] ArgTools v1.1.1
  [56f22d72] Artifacts
  [2a0f44e3] Base64
  [ade2ca70] Dates
  [8bb1440f] DelimitedFiles
  [8ba89e20] Distributed
  [f43a241f] Downloads v1.6.0
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I do not think the problem is the same: in my case the code does not work already when I try to lead the package: the very first lines

using Nonconvex
Nonconvex.@load Metaheuristics

already cause the following problem

[ Info: Attempting to load the package NonconvexMetaheuristics.
[ Info: Precompiling NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7]
WARNING: could not import Metaheuristics.MCCGA into NonconvexMetaheuristics
WARNING: could not import Metaheuristics.GA into NonconvexMetaheuristics
ERROR: LoadError: UndefVarError: GA not defined
Stacktrace:
 [1] top-level scope
   @ ~/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:13
 [2] include
   @ ./Base.jl:419 [inlined]
 [3] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt64}}, source::Nothing)
   @ Base ./loading.jl:1554
 [4] top-level scope
   @ stdin:1
in expression starting at /home/dario/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:1
in expression starting at stdin:1
[ Info: Couldn't find the package NonconvexMetaheuristics. Attempting to install it.
    Updating registry at `~/.julia/registries/General.toml`
   Resolving package versions...
  No Changes to `~/.julia/environments/v1.8/Project.toml`
  No Changes to `~/.julia/environments/v1.8/Manifest.toml`
[ Info: NonconvexMetaheuristics installed.
[ Info: Attempting to load the package NonconvexMetaheuristics.
[ Info: Precompiling NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7]
WARNING: could not import Metaheuristics.MCCGA into NonconvexMetaheuristics
WARNING: could not import Metaheuristics.GA into NonconvexMetaheuristics
ERROR: LoadError: UndefVarError: GA not defined
Stacktrace:
 [1] top-level scope
   @ ~/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:13
 [2] include
   @ ./Base.jl:419 [inlined]
 [3] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt64}}, source::Nothing)
   @ Base ./loading.jl:1554
 [4] top-level scope
   @ stdin:1
in expression starting at /home/dario/.julia/packages/NonconvexMetaheuristics/D4Zh0/src/NonconvexMetaheuristics.jl:1
in expression starting at stdin:1
ERROR: Failed to precompile NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7] to /home/dario/.julia/compiled/v1.8/NonconvexMetaheuristics/jl_Nv43vJ.
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:35
 [2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::IO, internal_stdout::IO, keep_loaded_modules::Bool)
   @ Base ./loading.jl:1705
 [3] compilecache
   @ ./loading.jl:1649 [inlined]
 [4] _require(pkg::Base.PkgId)
   @ Base ./loading.jl:1337
 [5] _require_prelocked(uuidkey::Base.PkgId)
   @ Base ./loading.jl:1200
 [6] macro expansion
   @ ./loading.jl:1180 [inlined]
 [7] macro expansion
   @ ./lock.jl:223 [inlined]
 [8] require(into::Module, mod::Symbol)
   @ Base ./loading.jl:1144
 [9] top-level scope
   @ ~/.julia/packages/Nonconvex/OhHdi/src/Nonconvex.jl:68

caused by: Failed to precompile NonconvexMetaheuristics [ece49558-7bf7-4b1b-9202-b5cfb4999bf7] to /home/dario/.julia/compiled/v1.8/NonconvexMetaheuristics/jl_NFGa8K.
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:35
 [2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::IO, internal_stdout::IO, keep_loaded_modules::Bool)
   @ Base ./loading.jl:1705
 [3] compilecache
   @ ./loading.jl:1649 [inlined]
 [4] _require(pkg::Base.PkgId)
   @ Base ./loading.jl:1337
 [5] _require_prelocked(uuidkey::Base.PkgId)
   @ Base ./loading.jl:1200
 [6] macro expansion
   @ ./loading.jl:1180 [inlined]
 [7] macro expansion
   @ ./lock.jl:223 [inlined]
 [8] require(into::Module, mod::Symbol)
   @ Base ./loading.jl:1144
 [9] top-level scope
   @ ~/.julia/packages/Nonconvex/OhHdi/src/Nonconvex.jl:56

so, I do not even arrive at the stage of setting the options

[mohamed82008]

Your list of packages indicates you have Metaheuristics 3.1.1. Seems that GA was added starting Metaheuristics 3.2.6. The latest version is 3.2.11 which is the one I have. I can fix this by adding a lower bound to force Metaheuristics >= 3.2.6 to install. I suspect another package in your environment is holding Metaheuristics back. Try

]add Metaheuristics@3.2.11

This will attempt to force install 3.2.11 and it will give you a conflict error if another package is in conflict.

[mohamed82008]

Alternatively, start Julia in a new environment to have no interaction from other packages in your environment.

[Dario-Rosa85]

It works now :-) Thanks!

[mohamed82008]

I also fixed the mutation issue in the main branch of NonconvexMetaheuristics. So you should get it in NonconvexMetaheuristics 0.1.1 in 20 min or so when JuliaRegistries/General#70688 is merged. Doing ] up NonconvexMetaheuristics in a half hour or so should do the trick.