SAP Message C$597 - Enter a valid user-defined text type; &1 is invalid

Diagnosis
You cannot use the user-defined text type &V1& you entered because it isnot assigned to the specification category &V2& in Customizing.

Procedure
Choose a valid user-defined text type. If you want to use theuser-defined text type &V1&, notify your system administrator.

Procedure for System Administration
Assign the specification category &V2& to the user-defined text typeV1 in customizing.