phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './shelter/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 ('8622b9240c33f5befef76f2e2e5515b0', -1, 1503330423, 1503330423, '36e12f7c', 5, 0, 0)

Line : 187
File : sessions.php