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 ('309dd9f72c34d1639b4ef09826c89439', -1, 1490463232, 1490463232, '369287ad', 4, 0, 0)

Line : 187
File : sessions.php