phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table '.\alztalk\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 ('6567a1c6bc1e48c5cba521c3817de94d', -1, 1416791442, 1416791442, '36507176', -1, 0, 0)

Line : 187
File : sessions.php