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, session_admin) VALUES ('843d5ac0533c71d1c14750dc003b68f7', -1, 1498294444, 1498294444, '3650db89', 2, 0, 0)

Line : 189
File : sessions.php