SQL ERROR [ mysql4 ]

Table './cats@002dhouse/phpbb3_sessions' is marked as crashed and should be repaired [145]

SQL

SELECT u.*, s.* FROM phpbb3_sessions s, phpbb3_users u WHERE s.session_id = '63710f00081f47053252f90d3dca3c75' AND u.user_id = s.session_user_id

BACKTRACE

FILE: includes/db/mysql.php
LINE: 174
CALL: dbal->sql_error()

FILE: includes/session.php
LINE: 296
CALL: dbal_mysql->sql_query()

FILE: posting.php
LINE: 27
CALL: session->session_begin()