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conan install parg/all@ --build=parg --profile=C:\J\w\BuildSingleReference@3/14355/b3c57f69-bba4-4e1d-b1b2-a7413bb2f05f/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=16
os=Windows
os_build=Windows
[options]
parg:shared=False
[build_requires]
[env]

parg/all: Forced build from source
Installing package: parg/all
Requirements
    parg/all from local cache - Cache
Packages
    parg/all:a79a557254fabcb77849dd623fed97c9c5ab7651 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
parg/all: Configuring sources in C:\J\w\BuildSingleReference@3\.conan\data\parg\all\_\_\source
parg/all: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@3\.conan\data\parg\all\_\_\build\a79a557254fabcb77849dd623fed97c9c5ab7651
parg/all: WARN: Trying to remove corrupted source folder
parg/all: WARN: This can take a while for big packages
ERROR: parg/all: Error in source() method, line 30
	tools.get(**self.conan_data["sources"][self.version], strip_root=True, destination=self._source_subfolder)
	KeyError: 'sources'