ORA-01653: unable to extend table string.string by string in tablespace string

ORA-01653: unable to extend table string.string by string in tablespace string

Cause: Failed to allocate an extent of the required number of blocks for a table segment in the tablespace indicated.

Action: Use ALTER TABLESPACE ADD DATAFILE statement to add one or more files to the tablespace indicated.

Alert.log:
ORA-1653: unable to extend table SYS.AUD$ by 128 in                 tablespace SYSTEM

Solution:
ALTER DATABASE DATAFILE '/oracle/DBPRD/system01.dbf' RESIZE 1000M

More Oracle DBA tips, please visit Oracle DBA Tips