Hi folks,
When i am trying to use log miner i am getting the followin error

SVRMGR> execute dbms_logmnr_d.build('dict.ora','/ora/data/prod/logm');

ORA-01309: specified dictionary file cannot be opened
ORA-06510: PL/SQL: unhandled user-defined exception
ORA-06512: at "SYS.DBMS_LOGMNR_D", line 793
ORA-06512: at line 2

could anybody help me