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 ('d48fecff11aaf7fa5e2c20badd43aa0b', -1, 1495899251, 1495899251, '36a2a8bb', 18, 0, 0)

Line : 190
File : sessions.php