ORA-01306

Error: ORA-01306: dbms_logmnr.start_logmnr() must be invoked before selecting from v$logmnr_contents

Causa: A select was issued from V$LOGMNR_CONTENTS without first invoking the DBMS_LOGMNR.START_LOGMNR() procedure.

Acción: Invoke the DBMS_LOGMNR.START_LOGMNR() procedure before issuing a select from the V$LOGMNR_CONTENTS view.