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 ('75c2b4e641a385b2c9063157b88ff5cb', -1, 1714380383, 1714380383, '127598fb', -4, 0)

Line : 158
File : sessions.php