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 ('94a7dd832fd17f75fffe58b82fe5bcc0', -1, 1714628868, 1714628868, '12e3e45f', 7, 0)

Line : 158
File : sessions.php