Traceback (most recent call last):


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/cmd/build.py", line 304, in build_main

app.build(args.force_all, filenames)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/application.py", line 341, in build

self.builder.build_update()


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/builders/__init__.py", line 350, in build_update

len(to_build))


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/builders/__init__.py", line 415, in build

self.write(docnames, list(updated_docnames), method)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/builders/__init__.py", line 596, in write

self._write_serial(sorted(docnames))


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/builders/__init__.py", line 604, in _write_serial

doctree = self.env.get_and_resolve_doctree(docname, self)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/environment/__init__.py", line 623, in get_and_resolve_doctree

self.apply_post_transforms(doctree, docname)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/environment/__init__.py", line 670, in apply_post_transforms

transformer.apply_transforms()


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/transforms/__init__.py", line 90, in apply_transforms

Transformer.apply_transforms(self)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/docutils/transforms/__init__.py", line 171, in apply_transforms

transform.apply(**kwargs)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/transforms/post_transforms/__init__.py", line 90, in apply

typ, target, node, contnode)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/domains/cpp.py", line 6767, in resolve_xref

target, node, contnode)[0]


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/domains/cpp.py", line 6683, in _resolve_xref_inner

matchSelf=True, recurseInAnon=True)


 "/home/sven/Desktop/sphinx-cpp-cross-ref-bug/docs_exhale/venv/lib/python2.7/site-packages/sphinx/domains/cpp.py", line 4170, in find_declaration

candId = symbol.declaration.get_newest_id()
AttributeError: 'NoneType' object has no attribute 'get_newest_id'

Traceback (most recent call last):


 "D:/2.7/build/inst/lib/python3.5/site-packages/cura\CuraApplication.py", line 707, in event


 "D:/2.7/build/inst/lib/python3.5/site-packages/UM\Qt\QtApplication.py", line 261, in event


 "D:/2.7/build/inst/lib/python3.5/site-packages/UM\Event.py", line 189, in call


 "D:/2.7/build/inst/lib/python3.5/site-packages/UM\Signal.py", line 315, in __performEmit


 "D:/2.7/build/inst/lib/python3.5/site-packages/cura\Settings\ExtruderStack.py", line 94, in _onPropertiesChanged
AttributeError: 'NoneType' object has no attribute 'definition'
