phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './db_mtss3/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 ('1911511b72ef944cd63cc47739489539', -1, 1490575018, 1490575018, '32107ac8', 3, 0, 0)

Line : 187
File : sessions.php