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 ('7290bfe680e275c9b2aeb6be9d433a41', -1, 1713877364, 1713877364, '03854f46', 7, 0, 0)

Line : 187
File : sessions.php