phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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) VALUES ('19c97092e038d59e2bb4877890792485', -1, 1435998107, 1435998107, '36a20340', -1, 0)

Line : 158
File : sessions.php