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 ('7acb91a4fdee35d8e30bef0e79eac0be', -1, 1714735592, 1714735592, '038b5a83', -10, 0)

Line : 158
File : sessions.php