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 ('d79f0b0d1de1e0e82f134c2b0f7dbe15', -1, 1493151219, 1493151219, '36e0ccbd', 11, 0, 0)

Line : 187
File : sessions.php