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 ('acd7683755be1ac3320551d95e47f08e', -1, 1713988525, 1713988525, '038b4683', 3, 0, 0)

Line : 187
File : sessions.php