Traceback (most recent call last):
File "/registry/prozorro_sale/registry/errors.py", line 90, in request_errors_middleware
return await handler(request)
File "/usr/local/lib/python3.9/site-packages/prozorro_sale/auth/__init__.py", line 269, in context_middleware
return await handler(request)
File "/usr/local/lib/python3.9/site-packages/prozorro_sale/auth/__init__.py", line 286, in access_middleware
return await check_access(handler)(request)
File "/usr/local/lib/python3.9/site-packages/prozorro_sale/auth/__init__.py", line 312, in handler
return await func(request, *args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/prozorro_sale/tools/__init__.py", line 90, in retry_on_concurrency_error_middleware
return await handler(request)
File "/usr/local/lib/python3.9/site-packages/prozorro_sale/tools/__init__.py", line 72, in handler
return await func(request, *args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/prozorro_sale/tools/middlewares.py", line 49, in request_unpack_params
return await handler(request, *args, **request.match_info, **kwargs)
File "/registry/prozorro_sale/registry/api/handlers/execution.py", line 59, in create_contract
contract_info = obj.create_contract(data, request._context)
File "/registry/prozorro_sale/registry/models/execution.py", line 303, in create_contract
contract = self.Contract(data, app_data={'obj_status': self.status}, role='owner')
File "/registry/prozorro_sale/registry/models/base.py", line 26, in __init__
super().__init__(data, **kwargs)
File "/usr/local/lib/python3.9/site-packages/schematics/models.py", line 101, in __init__
f_value = data.get(field, Undefined)
AttributeError: 'list' object has no attribute 'get'