Oracle Solution for Error ora-01306

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

What triggered the Error:

A select was issued from v$logmnr_contents without first invoking the dbms_logmnr.start_logmnr() procedure.

What should we do to fix it:

Invoke the dbms_logmnr.start_logmnr() procedure before issuing a select from the v$logmnr_contents view.