Could not sign some IPAs

[boncheo]

I get following error for some ipa files ( i think it's occured when target is > 9)
File "/usr/local/bin/isign", line 4, in <module> __import__('pkg_resources').run_script('ak-isign==0.10.14', 'isign') File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 658, in run_script self.require(requires)[0].run_script(script_name, ns) File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1438, in run_script exec(code, namespace, namespace) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/EGG-INFO/scripts/isign", line 251, in <module> isign.resign(app_path, **kwargs) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/isign.py", line 83, in resign alternate_entitlements_path) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/archive.py", line 412, in resign ua.bundle.resign(deep, signer, provisioning_profile, alternate_entitlements_path) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/bundle.py", line 294, in resign super(App, self).resign(deep, signer) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/bundle.py", line 181, in resign self.sign(deep, signer) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/bundle.py", line 176, in sign executable = self.signable_class(self, self.get_executable_path(), signer) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/signable.py", line 40, in __init__ self.m = macho.MachoFile.parse_stream(self.f) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 198, in parse_stream return self._parse(stream, Container()) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 672, in _parse subobj = sc._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 853, in _parse obj = self.cases.get(key, self.default)._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 672, in _parse subobj = sc._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 271, in _parse return self.subcon._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 447, in _parse raise ArrayError("expected %d, found %d" % (count, c), sys.exc_info()[1]) construct.core.ArrayError: ('expected 51, found 9', MappingError('no decoding mapping for 50 [cmd]',))