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 ('b86ea2709f2a3aba55561041433b7559', -1, 1714059245, 1714059245, '030ca2b3', 7, 0)

Line : 158
File : sessions.php