Getting ORA-20001: STATE IS NULL, ORA-06512: while running Data Pump from SQL Developer

Oracle Database Version: Oracle19c (v.19.33)

SQL Developer Version:  22.2.0.173

Getting the following error while trying to export user schemas with the Data Pump Export Jobs Wizard::

Error starting at line : 31 in command -

BEGIN

 IF (:UTL_ERROR IS NOT NULL) THEN

  Raise_application_error(-20001,:UTL_ERROR);

 END IF;

END;

Error report -

ORA-20001: STATE IS NULL

ORA-06512: at line 3

Thanks for your help!