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 ('7fd2b0f61bf9c73c044d914414fe189e', -1, 1714404812, 1714404812, '038aae5f', 4, 0)

Line : 158
File : sessions.php