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 ('b5ff1b5325fca801cd05bc4f6d9595bb', -1, 1513340201, 1513340201, '36dd49ba', 2, 0, 0)

Line : 190
File : sessions.php