Oracle Error ORA-33018: (XSAGDNGL08) In AGGMAP workspace object, the data type of workspace object must be TEXT, not string.

Oracle Error Message

ORA-33018: (XSAGDNGL08) In AGGMAP workspace object, the data type of workspace object must be TEXT, not string.

Reason for the Error

An operator variable was supplied whose data type is not TEXT.

Solution

Change the operator clause to reference a TEXT variable.