phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('1c2467b684bbb834efe0e40d3d848c57', -1, 1417254060, 1417254060, '36a3547b', 6, 0, 0)

Line : 187
File : sessions.php