ORA-01306
        DBMS_LOGMNR.START_LOGMNR() must be invoked before selecting from V$LOGMNR_CONTENTS
        
        
        Cause
        A SELECT statement was issued from V$LOGMNR_CONTENTS without invoking the DBMS_LOGMNR.START_LOGMNR() procedure.
        Action
        Invoke the DBMS_LOGMNR.START_LOGMNR() procedure before issuing a SELECT statement from the V$LOGMNR_CONTENTS view.
        
     
    
    
        ORA-01306
        dbms_logmnr.start_logmnr() must be invoked before selecting from v$logmnr_contents
        
        
        Cause
        A select was issued from v$logmnr_contents without first invoking the dbms_logmnr.start_logmnr() procedure.
        Action
        Invoke the dbms_logmnr.start_logmnr() procedure before issuing a select from the v$logmnr_contents view.
        
     
    
    
        ORA-01306
        dbms_logmnr.start_logmnr() must be invoked before selecting from v$logmnr_contents
        
        
        Cause
        A select was issued from v$logmnr_contents without first invoking the dbms_logmnr.start_logmnr() procedure.
        Action
        Invoke the dbms_logmnr.start_logmnr() procedure before issuing a select from the v$logmnr_contents view.