phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '294a8ba2811973f64b14b7fc4b0982bb' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('294a8ba2811973f64b14b7fc4b0982bb', -1, 1766920508, 1766920508, 'd849d819', 3, 0, 0)

Line : 187
File : sessions.php