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 ('a1f74c3467f4d1541d4d0b98f90fdbed', -1, 1430955317, 1430955317, '36f2e5cc', 6, 0, 0)

Line : 187
File : sessions.php