#1 Dumping sections error

[PASAf]

I have an error while dumping the sections, could you point me out what am I doing wrong?

== Dumping  S e c t i o n s ==

Traceback (most recent call last):
  File "C:\nsiDecomp\nsiDecomp.py", line 2825, in <module>
    main('script.bin')
  File "C:\nsiDecomp\nsiDecomp.py", line 2633, in main
    LoadCommonheader()
  File "C:\nsiDecomp\nsiDecomp.py", line 1114, in LoadCommonheader
    dumpSections( NB_SECTIONS, Sections_Num, NB_ENTRIES)
  File "C:\nsiDecomp\nsiDecomp.py", line 1279, in dumpSections
    name          = S(name_ptr, '!' if flags & SF_BOLD else '')
  File "C:\nsiDecomp\nsiDecomp.py", line 663, in S
    return add_string( data, Prefix, Postfix )
  File "C:\nsiDecomp\nsiDecomp.py", line 666, in add_string
    return quoteStringIfNeeded (Prefix + GetNSISString( data ) + Postfix)
TypeError: cannot concatenate 'str' and 'NoneType' objects