Issue Summary

Running automatic schema screation for a child object type of an abstract object type leads to attributes page not loading

Steps to Reproduce

1. Create an object type "Employee"
2. Add date as an attribute of type Date Time.
3. Make it abstract and pass the attributes to children.
4. Create a child object type Junior. Add any attribute like "Junior name" to it.
5. Create a new import source with automatically create object types enabled with the file name as Junior.csv and following data:

name,date,junior name

hello,x,junior 1

Expected Results

Attributes page for Object type should load.

Actual Results

Attributes page fails to load with exception

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available