"limit exceeded for recovery files"
*Cause: The limit for recovery files specified by the
DB_RECOVERY_FILE_DEST_SIZE was exceeded.
*Action: There are five possible solutions:
1) Take frequent backup of recovery area using RMAN.
2) Consider changing RMAN retention policy.
3) Consider changing RMAN archived log deletion policy.
4) Add disk space and increase DB_RECOVERY_FILE_DEST_SIZE.
5) Delete files from recovery area using RMAN.