phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './b24_6266237_db/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 ('3a53b3b2eb965240986b930840bd0c40', -1, 1422505057, 1422505057, '36f269c4', -4, 0, 0)

Line : 187
File : sessions.php