phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './for_adeviq/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 ('a4c1dc76771ed0c25c2335674a9b13ed', -1, 1493283526, 1493283526, '6b161ee7', -4, 0, 0)

Line : 187
File : sessions.php