Ultisnips Error Dump

Error detected while processing function UltiSnips_ExpandSnippet:
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Traceback (most recent call last):
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\__init__.py", line 25, in wrapper
Error detected while processing function UltiSnips_ExpandSnippet:
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    return f(self, *args, **kwds)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\__init__.py", line 538, in expand
Error detected while processing function UltiSnips_ExpandSnippet:
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    if not self._try_expand():
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\__init__.py", line 868, in _try_expand
Error detected while processing function UltiSnips_ExpandSnippet:
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    self._do_snippet(snippet, before, after)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\__init__.py", line 842, in _do_snippet
Error detected while processing function UltiSnips_ExpandSnippet:
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    si = snippet.launch(text_before, self._visual_content, None, start, end)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\__init__.py", line 419, in launch
Error detected while processing function UltiSnips_ExpandSnippet:
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    last_re = self._last_re, globals = self._globals)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\text_objects\_snippet_instance.py", line 32, in __init__
Error detected while processing function UltiSnips_ExpandSnippet:
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    TOParser(self, initial_text, indent).parse(True)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\text_objects\_parser.py", line 50, in parse
Error detected while processing function UltiSnips_ExpandSnippet:
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    self._parent_to.replace_initital_text()
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\text_objects\_snippet_instance.py", line 44, in replace_initital_text
Error detected while processing function UltiSnips_ExpandSnippet:
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    _place_initial_text(self)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\text_objects\_snippet_instance.py", line 38, in _place_initial_text
Error detected while processing function UltiSnips_ExpandSnippet:
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    obj.overwrite()
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\text_objects\_base.py", line 44, in overwrite
Error detected while processing function UltiSnips_ExpandSnippet:
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    self._start, self._end, gtext or self._initial_text)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\_vim.py", line 75, in text_to_vim
Error detected while processing function UltiSnips_ExpandSnippet:
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    buf[start.line:end.line + 1] = new_lines
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\_vim.py", line 26, in __setitem__
Error detected while processing function UltiSnips_ExpandSnippet:
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    return self.__setslice__(idx.start, idx.stop, text)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\_vim.py", line 29, in __setslice__
Error detected while processing function UltiSnips_ExpandSnippet:
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    vim.current.buffer[i:j] = [ as_vimencoding(l) for l in text ]
Error detected while processing function UltiSnips_ExpandSnippet:
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TypeError: sequence index must be integer, not 'slice'
Error detected while processing function UltiSnips_ExpandSnippet:
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Error detected while processing function UltiSnips_ExpandSnippet:
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During handling of the above exception, another exception occurred:
Error detected while processing function UltiSnips_ExpandSnippet:
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Error detected while processing function UltiSnips_ExpandSnippet:
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Traceback (most recent call last):
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "<string>", line 1, in <module>
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\__init__.py", line 36, in wrapper
Error detected while processing function UltiSnips_ExpandSnippet:
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    _vim.new_scratch_buffer(s)
Error detected while processing function UltiSnips_ExpandSnippet:
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  File "c:/home/vimfiles/bundle/ultisnips/plugin\UltiSnips\_vim.py", line 114, in new_scratch_buffer
Error detected while processing function UltiSnips_ExpandSnippet:
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    vim.buffers[-1][:] = text.splitlines()
Error detected while processing function UltiSnips_ExpandSnippet:
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TypeError: sequence index must be integer, not 'slice'