Optim: No method matching iterate

[castrovjm]

Hi! I am having a weird problem using Optim. It starts well and runs for some seconds. However, it suddenly stops and gives me the following error:

MethodError: no method matching iterate(::Optim.MultivariateOptimizationResults{NelderMead{Optim.AffineSimplexer,Optim.AdaptiveParameters},Float64,Array{Float64,1},Float64,Float64,Array{OptimizationState{Float64,NelderMead{Optim.AffineSimplexer,Optim.AdaptiveParameters}},1},Bool}) Closest candidates are: iterate(!Matched::Core.SimpleVector) at essentials.jl:600 iterate(!Matched::Core.SimpleVector, !Matched::Any) at essentials.jl:600 iterate(!Matched::ExponentialBackOff) at error.jl:218 ... indexed_iterate(::Optim.MultivariateOptimizationResults{NelderMead{Optim.AffineSimplexer,Optim.AdaptiveParameters},Float64,Array{Float64,1},Float64,Float64,Array{OptimizationState{Float64,NelderMead{Optim.AffineSimplexer,Optim.AdaptiveParameters}},1},Bool}, ::Int64) at tuple.jl:66 msm(::Array{Int8,2}, ::Array{Float64,2}, ::Array{Float64,3}, ::UniformScaling{Bool}, ::Array{Float64,1}) at simulations.jl:173 estim_MSM(::Int64, ::Int64, ::Array{Float64,2}, ::Array{Float64,1}) at simulations.jl:187 top-level scope at simulations.jl:196

In all my time working with Optim, I hadn't ever received this message.

[pkofod]

Can you tell me more about the code you're running?

[pkofod]

Please reopen if you have more info to supply or ask on discourse.julialang.org for help.