… can cause a nasty ORA-19571. Reason? You are using a control file as RMAN catalog and obviously more space is needed than available..
Try:

sql> alter system set control_file_record_keep_time=14 scope=both;

More info: Oracle’s Metalink Doc ID: 563219.1
and
http://download.oracle.com/docs/cd/B12037_01/server.101/b10755/initparams027.htm