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 ('e5c1f1e74ba435f4cc7e1411e76b4b1c', -1, 1553601695, 1553601695, '36a68554', 6, 0, 0)

Line : 187
File : sessions.php