phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forumradionet/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 ('8aed647bae81aedfc401b55ae69bdd57', -1, 1472481065, 1472481065, '36e08096', -1280, 0, 0)

Line : 187
File : sessions.php