ORA-19815: WARNING: db_recovery_file_dest_size of 11811160064 bytes is 100.00% used, and has 0 remaining bytes available.
THE FOLLOWING SOLLUTION WILL DELETE ALL ARCHIVELOGS. WHEN ON A PRODUCTION MACHINE (DON'T DO THIS!!!)
rman target system/<password> RMAN> delete force archivelog all;
Happy Oracleing