Komodo v 12.0.1 mac os catalina 10.15.4 ValueError: source code string cannot contain null bytes

debug:

Traceback (most recent call last):
File “/Applications/Komodo IDE 12.app/Contents/SharedSupport/dbgp/python3lib/dbgp/client.py”, line 2444, in runMain
self.dbg.runfile(debug_args[0], debug_args)
File “/Applications/Komodo IDE 12.app/Contents/SharedSupport/dbgp/python3lib/dbgp/client.py”, line 2031, in runfile
h_execfile(file, args, module=main, tracer=self)
File “/Applications/Komodo IDE 12.app/Contents/SharedSupport/dbgp/python3lib/dbgp/client.py”, line 681, in init
exec(contents, globals, locals)
ValueError: source code string cannot contain null bytes

Hi all, can some one help me with this issue? Running without debug mode goes well.
Thanks in advance