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 ('af8b690ef8c15dadc7ef49acf615f3dd', -1, 1513560808, 1513560808, '36dd4c44', 5, 0, 0)

Line : 190
File : sessions.php