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 ('fa1c9c5c6ef8d8be8ca7cf66ff5236c0', -1, 1714370923, 1714370923, '038113fb', 7, 0)

Line : 158
File : sessions.php