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 ('25a3564fe95a91c5c619ac3a4babb5b7', -1, 1714263438, 1714263438, '12754684', -9, 0)

Line : 158
File : sessions.php