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 ('2019895b2ab863e3f65ef00e055f589e', -1, 1713484197, 1713484197, '038fa8ac', 5, 0, 0)

Line : 187
File : sessions.php