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, session_admin) VALUES ('d0ce8c3f64fc816652e5f39a2ab251d8', -1, 1714282594, 1714282594, '0a020003', -1, 0, 0)

Line : 187
File : sessions.php