phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './realesta_33/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 ('7f2bf2be593fbab3e48172b76ff4f943', -1, 1511239260, 1511239260, '3650a977', -11, 0, 0)

Line : 187
File : sessions.php