error on expdp daily job
Daily one of the Production database export backupis failing, below is the error log. Could you please tell me how to resolve it.
Export: Release 11.2.0.3.0 - Production on Mon Aug 19 21:00:23 2013
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Connected to: Oracle Database 11g Release 11.2.0.3.0 - 64bit Production
ORA-31634: job already exists
ORA-31664: unable to construct unique job name when defaulted
Note:What I undertstand is we are not giving the job name so oracle is taking its own system generated name and it is exceeded 99 rows I guess,As it is production please give me the exact cause and steps to resolve the issue.