MagicError: [Errno 0] line 684: regex error 11, (Invalid range end)

[hex445]

I recently encountered the error below. I do not have the file that caused this error.
Version 1.6

File "//lib/python2.7/site-packages/magic/identify.py", line 29, in wrapper
return func(self, _args, *_kwargs)
File "//lib/python2.7/site-packages/magic/compatability.py", line 30, in wrapper
return func(_encoder(args), *_kwargs)

File "//lib/python2.7/site-packages/magic/identify.py", line 112, in id_filename
return api.magic_file(self.cookie, filename)

File "//lib/python2.7/site-packages/magic/api.py", line 58, in errcheck_null
raise MagicError(errno, error)

MagicError: [Errno 0] line 684: regex error 11, (Invalid range end)