phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tattooty_tatforums/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 ('c4c767aa98d2f3f145d811f24784772b', -1, 1406077720, 1406077720, '36cdb317', 8, 0, 0)

Line : 187
File : sessions.php