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 ('0df4285da1c344f1b31672bb62dcf4b8', -1, 1498590054, 1498590054, '3650d2fb', 1, 0, 0)

Line : 187
File : sessions.php