Broken deployment

[europ]

...

Updating app PA181...
Mapping routes...
Comparing local files to remote cache...
Packaging files to upload...
Uploading files...

 0 B / 301.98 KiB    0.00%
 301.98 KiB / 301.98 KiB  100.00%
 301.98 KiB / 301.98 KiB  100.00%
 301.98 KiB / 301.98 KiB  100.00%
 301.98 KiB / 301.98 KiB  100.00%
 301.98 KiB / 301.98 KiB  100.00%
 301.98 KiB / 301.98 KiB  100.00% 1s

Waiting for API to complete processing files...

Staging app and tracing logs...
   Downloading dotnet-core_v2_2-20190327-1013...
   Downloading xpages_buildpack...
   Downloading php_buildpack...
   Downloading sdk-for-nodejs_v3_26-20190313-1440...
   Downloading liberty-for-java...
   Downloaded dotnet-core_v2_2-20190327-1013
   Downloading sdk-for-nodejs...
   Downloaded sdk-for-nodejs_v3_26-20190313-1440
   Downloading dotnet-core...
   Downloaded xpages_buildpack
   Downloading swift_buildpack...
   Downloaded php_buildpack
   Downloading staticfile_buildpack...
   Downloaded liberty-for-java
   Downloading java_buildpack...
   Downloaded sdk-for-nodejs
   Downloading ruby_buildpack...
   Downloaded dotnet-core
   Downloading nodejs_buildpack...
   Downloaded staticfile_buildpack
   Downloaded swift_buildpack
   Downloading python_buildpack...
   Downloading go_buildpack...
   Downloaded java_buildpack
   Downloading dotnet-core_v2_1-20181205-1536...
   Downloaded ruby_buildpack
   Downloading liberty-for-java_v3_29-20190223-2128...
   Downloaded go_buildpack
   Downloading liberty-for-java_v3_30-20190325-1301...
   Downloaded python_buildpack
   Downloaded dotnet-core_v2_1-20181205-1536
   Downloading swift_buildpack_v2_0_17-20190212-2123...
   Downloading binary_buildpack...
   Downloaded nodejs_buildpack
   Downloading swift_buildpack_v2_0_18-20190303-1915...
   Downloaded liberty-for-java_v3_29-20190223-2128
   Downloading sdk-for-nodejs_v3_25_1-20190115-1637...
   Downloaded liberty-for-java_v3_30-20190325-1301
   Downloaded swift_buildpack_v2_0_17-20190212-2123
   Downloaded binary_buildpack
   Downloaded swift_buildpack_v2_0_18-20190303-1915
   Downloaded sdk-for-nodejs_v3_25_1-20190115-1637
   Cell 57638bb3-0565-4696-9346-e041fa47a193 creating container for instance 23f0c00e-b7de-4f21-a0e7-c703bc379006
   Cell 57638bb3-0565-4696-9346-e041fa47a193 successfully created container for instance 23f0c00e-b7de-4f21-a0e7-c703bc379006
   Downloading app package...
   Downloading build artifacts cache...
   Downloaded app package (1M)
   Downloaded build artifacts cache (4.3M)
   -----> Dotnet-Core Buildpack version v2.2-20190327-1013
   -----> Supplying Dotnet Core
   -----> Installing libunwind 1.3.1
          Copy [/tmp/buildpacks/c0d85ce1e66854a969f387bb76c3bef0/dependencies/f64d11b5e052c30f7f921bda02e98aeb/libunwind-1.3.1-cflinuxfs2-2399e09e.tar.gz]
          **ERROR** Error searching project for library "System.Drawing.Common": multiple paths: [/tmp/app/src/API/API.csproj /tmp/app/src/Entities/Entities.csproj /tmp/app/src/Repositories/Repositories.csproj /tmp/app/src/Services/Services.csproj] contain a project file, but no .deployment file was used
   Failed to compile droplet: Failed to run all supply scripts: exit status 15
   Exit status 223
   Cell 57638bb3-0565-4696-9346-e041fa47a193 stopping instance 23f0c00e-b7de-4f21-a0e7-c703bc379006
   Cell 57638bb3-0565-4696-9346-e041fa47a193 destroying container for instance 23f0c00e-b7de-4f21-a0e7-c703bc379006
   Cell 57638bb3-0565-4696-9346-e041fa47a193 successfully destroyed container for instance 23f0c00e-b7de-4f21-a0e7-c703bc379006
FAILED
Error staging application: App staging failed in the buildpack compile phase

Finished: FAILED