phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './provan_adultitpforum/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 ('d01cdebf2eeb2eab6b214a734476cfff', -1, 1398045662, 1398045662, '36c55719', 6, 0, 0)

Line : 187
File : sessions.php