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 ('8e701e78647c38164526c0e8dce9f89a', -1, 1714612164, 1714612164, '030fc57b', 7, 0)

Line : 158
File : sessions.php