phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './everytat_imga1/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 ('1b8a60b503fa7f4d3966e9e0bb34c44f', -1, 1513414876, 1513414876, '6b1473ae', 19, 0, 0)

Line : 190
File : sessions.php