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conan install aaf/1.2.0@ --build=aaf --profile=C:\J\w\BuildSingleReference@4/19344/61c076c9-d5ec-4ba7-902d-72b4dd93584b/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=Visual Studio
compiler.runtime=MTd
compiler.version=14
os=Windows
os_build=Windows
[options]
aaf:shared=False
[build_requires]
[env]

aaf/1.2.0: Forced build from source
Installing package: aaf/1.2.0
Requirements
    aaf/1.2.0 from local cache - Cache
Packages
    aaf/1.2.0:f27dcd2d5e453cb01f9324a959461903ce8116a0 - Build

Installing (downloading, building) binaries...
aaf/1.2.0: Copying sources to build folder
aaf/1.2.0: Building your package in C:\J\w\BuildSingleReference@4\.conan\data\aaf\1.2.0\_\_\build\f27dcd2d5e453cb01f9324a959461903ce8116a0
aaf/1.2.0: Generator txt created conanbuildinfo.txt
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
aaf/1.2.0: Calling build()
aaf/1.2.0: 
aaf/1.2.0: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@4\.conan\data\aaf\1.2.0\_\_\build\f27dcd2d5e453cb01f9324a959461903ce8116a0
aaf/1.2.0: ERROR: Package 'f27dcd2d5e453cb01f9324a959461903ce8116a0' build failed
aaf/1.2.0: WARN: Build folder C:\J\w\BuildSingleReference@4\.conan\data\aaf\1.2.0\_\_\build\f27dcd2d5e453cb01f9324a959461903ce8116a0
ERROR: aaf/1.2.0: Error in build() method, line 49
	cmake.configure(source_folder=self._source_subfolder)
	AttributeError: 'NoneType' object has no attribute 'group'