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 ('017219150470993f0504d4b7303ec2c9', -1, 1493151167, 1493151167, '36e0ccbd', 1, 0, 0)

Line : 187
File : sessions.php