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 ('9b2d9091e9f4591cee8b0a1b43f0ba5d', -1, 1714390282, 1714390282, '12777663', 19, 0)

Line : 158
File : sessions.php