[RbnJrg]

I can't start Sigil. I receive the following error:

Embedded Python Error

Traceback (most recent call last):

  File "I:/Programas/Sigil Alpha/python3lib\xmlprocessor.py", line 5, in <module>
    from sigil_bs4 import BeautifulSoup

  File "I:/Programas/Sigil Alpha/plugin_launchers/python\sigil_bs4\__init__.py", line 48, in <module>
    from .builder import builder_registry, ParserRejectedMarkup

  File "I:/Programas/Sigil Alpha/plugin_launchers/python\sigil_bs4\builder\__init__.py", line 325, in <module>
    from . import _htmlparser

ValueError: source code string cannot contain null bytes

and

error in xmlprocessor repairXML:-2

Traceback (most recent call last):

  File "I:/Programas/Sigil Alpha/python3lib\xmlprocessor.py", line 5, in <module>
    from sigil_bs4 import BeautifulSoup

  File "I:/Programas/Sigil Alpha/plugin_launchers/python\sigil_bs4\__init__.py", line 48, in <module>
    from .builder import builder_registry, ParserRejectedMarkup

  File "I:/Programas/Sigil Alpha/plugin_launchers/python\sigil_bs4\builder\__init__.py", line 325, in <module>
    from . import _htmlparser

ValueError: source code string cannot contain null bytes