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 ('52bac58041ed56d7579d51c15c2afd6c', -1, 1714087367, 1714087367, '0390609f', 20, 0)

Line : 158
File : sessions.php