Hello There, Any update on the below issue? Best Regards, Raihan From: Bin Yusof, Muhammad RaihanX Sent: Wednesday, December 22, 2021 5:03 PM To: devel@edk2.groups.io Cc: Jayaseelan, MelwinX Subject: Help need Hello There, The below error happened when I tried to build. I'm using this command line>> py -3 BuildPayload.py build Cfl Below is the host machine configuration: Python 3.9 Visual Studio 2017 Please advise. Thanks! Please find the screenshot of the error: build.py... : error C0DE: Tools code failure Please send email to devel@edk2.groups.io for help, attaching following call stack trace! Traceback (most recent call last): File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\GenFds.py", line 371, in GenFdsApi GenFds.GenFd('', FdfParserObj, BuildWorkSpace, ArchList) File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\GenFds.py", line 510, in GenFd FdObj.GenFd() File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\Fd.py", line 131, in GenFd RegionObj.AddToBuffer (FdBuffer, self.BaseAddress, self.BlockSizeList, self.ErasePolarity, GenFdsGlobalVariable.ImageBinDict, self.DefineVarDict, Flag=Flag) File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\Region.py", line 134, in AddToBuffer FvObj.AddToBuffer(FvBuffer, FvBaseAddress, BlockSize, BlockNum, ErasePolarity, Flag=Flag) File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\Fv.py", line 127, in AddToBuffer FileName = FfsFile.GenFfs(MacroDict, FvParentAddr=BaseAddress, IsMakefile=Flag, FvName=self.UiFvName) File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\FfsFileStatement.py", line 153, in GenFfs sectList, align = section.GenSection(OutputDir, self.NameGuid, SecIndex, self.KeyStringList, None, Dict) File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\UiSection.py", line 70, in GenSection GenFdsGlobalVariable.GenerateSection(OutputFile, None, 'EFI_SECTION_USER_INTERFACE', Ui=NameString, IsMakefile=IsMakefile) File "C:\Jenkins\workspace\Production\WHL_SBL_UefiPayload\uefipldplatform\Edk2Open\BaseTools\Source\Python\GenFds\GenFdsGlobalVariable.py", line 466, in GenerateSection SectionData.fromstring(Ui.encode("utf_16_le")) AttributeError: 'array.array' object has no attribute 'fromstring' Best Regards, Raihan