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 ('8c3d2b6c4eace952d28410f1a8e69efc', -1, 1714737958, 1714737958, '0d3b88aa', 1, 0)

Line : 158
File : sessions.php