phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('559f08e8885f4e9895151e2dd39de2e2', -1, 1425156310, 1425156310, '36d33eb6', -7, 0, 0)

Line : 187
File : sessions.php