[projmgr] error msg on list layers #1770

Job	Run time
coverage	4m 21s
setup / config	1s
matrix_prep / matrix_prep	3s
unittest (macos-12, darwin, amd64, csolution, publicRepo, true, true)	5m 11s
unittest (macos-12, darwin, arm64, csolution, publicRepo, false, false)	3m 8s
build-swig (macos-12, darwin, amd64, csolution, publicRepo, true, true)	4m 17s
unittest (ubuntu-22.04, linux, amd64, csolution, always, true, true)	3m 2s
build (macos-12, darwin, amd64, csolution, publicRepo, true, true)	3m 15s
build-swig (macos-12, darwin, arm64, csolution, publicRepo, false, false)	8s
unittest (ubuntu-22.04, linux, arm64, csolution, always, false, false)	2m 20s
build (macos-12, darwin, arm64, csolution, publicRepo, false, false)	3m 47s
unittest (windows-2019, windows, amd64, csolution.exe, always, true, false)	7m 17s
build (ubuntu-22.04, linux, amd64, csolution, always, true, true)	1m 54s
build-swig (ubuntu-22.04, linux, amd64, csolution, always, true, true)	3m 15s
unittest (windows-2019, windows, arm64, csolution.exe, always, false, false)	4m 9s
build-swig (ubuntu-22.04, linux, arm64, csolution, always, false, false)	2s
build (ubuntu-22.04, linux, arm64, csolution, always, false, false)	2m 30s
build-swig (windows-2019, windows, amd64, csolution.exe, always, true, false)	4m 0s
build (windows-2019, windows, amd64, csolution.exe, always, true, false)	3m 41s
build-swig (windows-2019, windows, arm64, csolution.exe, always, false, false)	3s
build (windows-2019, windows, arm64, csolution.exe, always, false, false)	5m 32s
Publish Tests Results	3s
release	0s
	1h 1m 59s

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