phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('076f39e784f65965b7a94ed7fc8956bd', -1, 1397883682, 1397883682, '36c43904', 1, 0, 0)

Line : 189
File : sessions.php