Have you tried the latest Python 3.x? - Bret From: Fowler, Eric (Mondo International, LLC) via groups.io Sent: Wednesday, May 19, 2021 12:41 AM To: devel@edk2.groups.io Subject: [EXTERNAL] [edk2-devel] A plea for help build.py... : error C0DE: Unknown fatal error when processing [c:\edk2020\district-defend\edk2\MdeModulePkg\Universal\Console\GraphicsConsoleDxe\GraphicsConsoleDxe.inf] (Please send email to devel@edk2.groups.io for help, attaching following call stack trace!) (Python 3.9.5 on win32) Traceback (most recent call last): File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\build\build.py", line 2596, in Main MyBuild.Launch() File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\build\build.py", line 2391, in Launch self._MultiThreadBuildPlatform() File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\build\build.py", line 2271, in _MultiThreadBuildPlatform self.CreateAsBuiltInf() File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\build\build.py", line 2401, in CreateAsBuiltInf Module.CreateAsBuiltInf() File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\AutoGen\ModuleAutoGen.py", line 1503, in CreateAsBuiltInf PatchList = parsePcdInfoFromMapFile( File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\GenPatchPcdTable\GenPatchPcdTable.py", line 59, in parsePcdInfoFromMapFile return _parseGeneral(lines, efifilepath) File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\GenPatchPcdTable\GenPatchPcdTable.py", line 174, in _parseGeneral efisecs = PeImageClass(efifilepath).SectionHeaderList File "C:\EDK2020\district-defend\edk2\BaseTools\Source\Python\Common\Misc.py", line 1638, in __init__ if ByteArray.tostring() != b'PE\0\0': AttributeError: 'array.array' object has no attribute 'tostring' - Failed - Build end time: 21:15:31, May.18 2021 Build total time: 00:07:11