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) VALUES ('b6bc9a59283c1e3e25f913d20eecb15c', -1, 1714339141, 1714339141, '030f1be8', -10, 0)

Line : 158
File : sessions.php