phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('2495e75f51edf2cd96b60f355b6e70c6', -1, 1714721989, 1714721989, '030fbe90', -4, 0)

Line : 158
File : sessions.php