ERROR (EXTERNAL IP): Internal Server Error: /ts_om_edit/1846/summary/

[Baguage]

File "/opt/venvs/om.vecnet.org/lib/python2.7/site-packages/django/template/base.py", line 827, in _resolve_lookup
current = getattr(current, bit)
File "/usr/lib/python2.7/site-packages/vecnet/openmalaria/scenario/core.py", line 24, in inner
return attribute_type(self.et.attrib[name])
ValueError: could not convert string to float: @contributionFunestus@