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 ('ebacda3223b38f9c869b2675439d1592', -1, 1713906287, 1713906287, '127783b2', 4, 0, 0)

Line : 187
File : sessions.php