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 ('8b5e6ad01eca0f4dd2d294d6dccece25', -1, 1714389498, 1714389498, '12dc88a5', -11, 0)

Line : 158
File : sessions.php