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 ('bf69927cca91ba69d94573b6fec348f7', -1, 1714298673, 1714298673, '12bc3ddf', 20, 0)

Line : 158
File : sessions.php