Traceback (most recent call last):
File "/trytond/wsgi.py", line 47, in dispatch_request
return endpoint(request, **request.view_args)
File "/trytond/protocols/dispatcher.py", line 41, in rpc
request, database_name, *request.rpc_params)
File "/wrapt/wrappers.py", line 523, in __call__
args, kwargs)
File "/trytond/wsgi.py", line 39, in auth_required
return wrapped(*args, **kwargs)
File "/trytond/protocols/wrappers.py", line 106, in wrapper
return func(request, pool, *args, **kwargs)
File "/trytond/protocols/dispatcher.py", line 163, in _dispatch
result = rpc.result(meth(*c_args, **c_kwargs))
File "/trytond/model/modelsql.py", line 773, in read
getter_results = field.get(ids, cls, field_list, values=result)
File "/trytond/model/fields/function.py", line 91, in get
return dict((name, call(name)) for name in names)
File "/trytond/model/fields/function.py", line 91, in <genexpr>
return dict((name, call(name)) for name in names)
File "/trytond/model/fields/function.py", line 85, in call
return dict((r.id, method(r, name)) for r in records)
File "/trytond/model/fields/function.py", line 85, in <genexpr>
return dict((r.id, method(r, name)) for r in records)
File "/trytond/modules/health_crypto_lab/health_crypto_lab.py", line 216, in check_digest
serial_doc=self.get_serial(self)
File "/trytond/modules/health_crypto_lab/health_crypto_lab.py", line 191, in get_serial
'HP': str(document.requestor.rec_name),
AttributeError: 'NoneType' object has no attribute 'rec_name'