PackageCompiler Bundle artifact

Trying to create a package using create_app(…)
Getting this error
[1] uv_error at .\libuv.jl:97 [inlined]
[2] open(::String, ::UInt16, ::UInt64) at .\filesystem.jl:87
[3] sendfile(::String, ::String) at .\file.jl:940
[4] cptree(::String, ::String; force::Bool, follow_symlinks::Bool) at .\file.jl:327
[5] cptree(::String, ::String; force::Bool, follow_symlinks::Bool) at .\file.jl:324 (repeats 11 times)
[6] cp(::String, ::String; force::Bool, follow_symlinks::Bool) at .\file.jl:349
[7] cp at .\file.jl:345 [inlined]
[8] bundle_artifacts(::Pkg.Types.Context, ::String) at PackageCompiler.jl:784
[9] create_app(::String, ::String; app_name::Nothing, precompile_execution_file::Array{String,1}, precompile_statements_file::Array{String,1}, incremental::Bool, filter_stdlibs::Bool, audit::Bool, force::Bool, c_driver_program::String, cpu_target::String) at C \PackageCompiler.jl:656
[10] top-level scope at REPL[74]:1

what does it suggest?

There are few warnings before as below
Package HDF5 has a build script, this might indicate that it is not relocatable
Project has a dependency on Requires.jl, code in @require will not be run