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, session_admin) VALUES ('bbf427564a525e9eb25ec8e6334ac180', -1, 1713408814, 1713408814, '038b5638', 0, 0, 0)

Line : 187
File : sessions.php