phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './assoc_phpbbv2/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('55a49d1fd4ee489c2cbf8f6c9f7cb12f', -1, 1397770087, 1397770087, '6ca2d4e8', 43, 0, 0)

Line : 187
File : sessions.php