phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tripleac_Forum/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 ('5fd0c9f64ff96d7c5d20658e1c2b44e3', -1, 1537915545, 1537915545, '36a68d45', -4, 0, 0)

Line : 187
File : sessions.php