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 ('84d23ae83f1a815e42b36c0a58e0801d', -1, 1488246237, 1488246237, '36d3e324', 33, 0, 0)

Line : 187
File : sessions.php