Fix problem running created_by_identity data migration on volumes. 	modified:   core/migrations/0011_build_created_by_identity.py
Fix problem running created_by_identity data migration on volumes.
	modified:   core/migrations/0011_build_created_by_identity.py

CCI-MOC/GUI-Backend,CCI-MOC/GUI-Backend,CCI-MOC/GUI-Backend,CCI-MOC/GUI-Backend