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 ('e50e5e2d7705e50536b2063af0fe0c4b', -1, 1714690838, 1714690838, '03914a36', -10, 0)

Line : 158
File : sessions.php