phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './private_phpb1/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 ('2431fc320686754e93417c7c0a73b54f', -1, 1419059572, 1419059572, '36a65452', 3, 0, 0)

Line : 187
File : sessions.php