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 ('e4e7e5c4ee2c8fa7acc0a0c403b8acdd', -1, 1714351574, 1714351574, '0390f818', 1, 0)

Line : 158
File : sessions.php