Basetools search the included fdf file under
1. the same directory as its parent FDF file
2. the same directory as the active DSC file
3. the WORKSPACE directory

Please check if the Pixel3XL/CommonFdf.fdf.inc can be found in the above 3 directories.

Thanks,
Bob

From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Vicente Cortes
Sent: Tuesday, October 6, 2020 10:32 PM
To: devel@edk2.groups.io
Subject: [edk2-devel] fatal error edk2

(Python 3.9.0 on win32) Traceback (most recent call last):
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\build\build.py", line 2635, in Main
    MyBuild.Launch()
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\build\build.py", line 2430, in Launch
    self._MultiThreadBuildPlatform()
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\build\build.py", line 2238, in _MultiThreadBuildPlatform
    Wa, self.BuildModules = self.PerformAutoGen(BuildTarget,ToolChain)
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\build\build.py", line 2087, in PerformAutoGen
    Wa = WorkspaceAutoGen(
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\AutoGen\WorkspaceAutoGen.py", line 43, in __init__
    self._InitWorker(Workspace, MetaFile, Target, Toolchain, Arch, *args, **kwargs)
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\AutoGen\WorkspaceAutoGen.py", line 116, in _InitWorker
    self.ProcessModuleFromPdf()
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\AutoGen\WorkspaceAutoGen.py", line 212, in ProcessModuleFromPdf
    if self.FdfProfile:
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\Common\caching.py", line 28, in __get__
    Value = obj.__dict__[self._function.__name__] = self._function(obj)
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\AutoGen\WorkspaceAutoGen.py", line 188, in FdfProfile
    Fdf.ParseFile()
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\GenFds\FdfParser.py", line 1314, in ParseFile
    self.Preprocess()
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\GenFds\FdfParser.py", line 1293, in Preprocess
    self.PreprocessIncludeFile()
  File "C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\edk2\BaseTools\Source\Python\GenFds\FdfParser.py", line 624, in PreprocessIncludeFile
    raise Warning("The include file does not exist under below directories: \n%s\n%s\n%s\n"%(os.path.dirname(self.FileName), PlatformDir, GlobalData.gWorkspace),
GenFds.FdfParser.Warning: The include file does not exist under below directories:
C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\Pixel3XL
C:\Users\Vicente\Documents\hackervicente\edk2-pixel3-master\Pixel3XL
c:\users\vicente\documents\hackervicente\edk2-pixel3-master\edk2
 near line 243, column 10: Pixel3XL/CommonFdf.fdf.inc