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 ('26ac5af899532a3e8464e4b8967d3fcf', -1, 1410748957, 1410748957, '36ccbd93', 4, 0, 0)

Line : 187
File : sessions.php