Error: The target "Build" does not exist in the project

[alexandru]

On MacOS the initial build.sh fails with this:

/usr/local/Cellar/mono/6.0.0.319/lib/mono/msbuild/15.0/bin/MSBuild.dll /bl:/var/folders/r1/xm_0s3y11td6zwk4mx8nplrw0000gn/T/tmpixxlW5.tmp.binlog /p:RestorePackages=False /p:Optimize=True /p:DebugSymbols=True /p:Configuration=Release /t:Build /v:q MyProject.sln
/Users/alex/Projects/MyProject/src/MyProject/MyProject.fsproj : error MSB4057: The target "Build" does not exist in the project.
/Users/alex/Projects/MyProject/src/MyProject/MyProject.fsproj : error MSB4057: The target "Build" does not exist in the project.
/Users/alex/Projects/MyProject/src/MyProject/MyProject.fsproj : error MSB4057: The target "Build" does not exist in the project.
/Users/alex/Projects/MyProject/src/MyProjectConsole/MyProjectConsole.fsproj : error MSB4057: The target "Build" does not exist in the project.
/Users/alex/Projects/MyProject/src/MyProjectConsole/MyProjectConsole.fsproj : error MSB4057: The target "Build" does not exist in the project.
: /Users/alex/Projects/MyProject/src/MyProject/MyProject.fsproj(0,0): error MSB4057: The target "Build" does not exist in the project.
: /Users/alex/Projects/MyProject/src/MyProjectConsole/MyProjectConsole.fsproj(0,0): error MSB4057: The target "Build" does not exist in the project.
Finished (Failed) 'MSBuild' in 00:00:02.1028417
Finished (Failed) 'Build' in 00:00:02.1050855