When you get an error looking like this it can have three reasons.

• You edited the file and made a python error. Missing closing ] or so.
• Archgenxml might be generating wrong code based on your tagged values; as it tries to read in the file it just generated it can check for errors like this.
• A third reason might be that the file was originally generated on windows and you're running archgenxml on linux/mac now; the python parser tends to be bit picky on this when run by archgenxml. In this case the error can look like this:

   CRITICAL Error while reparsing file '/Content/Auto.py'.
   Traceback (most recent call last):
     File "ArchGenXML/ArchGenXML.py", line 80, in ?
       main()
     File "ArchGenXML/ArchGenXML.py", line 77, in main
       gen.parseAndGenerate()
     File "/home/mirella/flexrent/Products/ArchGenXML/ArchetypesGenerator.py", 
     line 3094, in parseAndGenerate
       self.generateProduct(root)
     File "/home/mirella/flexrent/Products/ArchGenXML/ArchetypesGenerator.py", 
      line 3014, in generateProduct
       self.generatePackage(root)
     File "/home/mirella/flexrent/Products/ArchGenXML/ArchetypesGenerator.py", 
      line 2737, in generatePackage
       self.generatePackage(p,recursive=1)
     File "/home/mirella/flexrent/Products/ArchGenXML/ArchetypesGenerator.py", 
      line 2672, in generatePackage
       mod=PyParser.PyModule(filename)
     File "/home/mirella/flexrent/Products/ArchGenXML/PyParser.py", 
      line 53, in __init__
       self.ast = parser.suite(self.filebuf)
     File "<string>", line 21
       __author__  = ''' <>, '''