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 ('d963201ba4b4d3ac5f3789bdb3c8bbdf', -1, 1410748963, 1410748963, '36ccbd93', 2, 0, 0)

Line : 187
File : sessions.php