Hi there, I'm trying to build ADL code but always run into the failure as below log. I follow the message to send this mail to you. Can you please point me what's wrong? Building ... d:\ext\adlv2017\Intel\ClientOneSiliconPkg\Fsp\FspEndOfPei2\FspEndOfPei2Peim.inf [IA32] Fd File Name:FSP (D:\Ext\ADLv2017\Build\AlderLakeFspPkg\DEBUG_VS2017\FV\FSP.fd) Generate Region at Offset 0x0 Region Size = 0x91000 Region Name = FV Generating FSP-S FV #### 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 "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\GenFds.py", line 371, in GenFdsApi GenFds.GenFd('', FdfParserObj, BuildWorkSpace, ArchList) File "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\GenFds.py", line 510, in GenFd FdObj.GenFd() File "D:\Ext\ADLv2017\Edk2\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 "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\Region.py", line 134, in AddToBuffer FvObj.AddToBuffer(FvBuffer, FvBaseAddress, BlockSize, BlockNum, ErasePolarity, Flag=Flag) File "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\Fv.py", line 127, in AddToBuffer FileName = FfsFile.GenFfs(MacroDict, FvParentAddr=BaseAddress, IsMakefile=Flag, FvName=self.UiFvName) File "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\FfsFileStatement.py", line 156, in GenFfs sectList, align = section.GenSection(OutputDir, self.NameGuid, SecIndex, self.KeyStringList, None, Dict) File "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\CompressSection.py", line 67, in GenSection ReturnSectList, AlignValue = Sect.GenSection(OutputPath, ModuleName, SecIndex, KeyStringList, FfsInf, Dict, IsMakefile=IsMakefile) File "D:\Ext\ADLv2017\Edk2\BaseTools\Source\Python\GenFds\UiSection.py", line 70, in GenSection GenFdsGlobalVariable.GenerateSection(OutputFile, None, 'EFI_SECTION_USER_INTERFACE', Ui=NameString, IsMakefile=IsMakefile) File "D:\Ext\ADLv2017\Edk2\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' build.py... : error 7000: Failed to execute command - Failed - Build end time: 12:08:06, Feb.05 2021 Build total time: 00:00:31 !!! ERROR:FSP build Failed !!! D:\Ext\ADLv2017\Intel\ClientOneSiliconPkg\Fsp\BuildFsp.cmd AlderLake AlderLake /d ---------------- ACTIVE_PLATFORM = D:\Ext\ADLv2017\Intel/AlderLakeBoardPkg/BoardPkg.dsc ACTIVE FLASH MAP FDF = D:\Ext\ADLv2017\Intel\AlderLakeBoardPkg\Include\Fdf\FlashMapInclude.fdf ---------------- The BIOS Build has failed! D:\Ext\ADLv2017\Intel\AlderLakeBoardPkg> Thanks! B. regards, Pony DID : +886 2 66221754