phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ad41513ed0f6be696f3261ab923a7dc5', -1, 1715215927, 1715215927, '031567d1', -7, 0, 0)

Line : 189
File : sessions.php