phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './web148@002dvwkdbb2/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 ('01d70d0ce85d656e005c94778fcb42e6', -1, 1485182208, 1485182208, '3693f49d', 13, 0, 0)

Line : 189
File : sessions.php