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 ('fcf40047f2d5093ea20e125368d7f124', -1, 1711706575, 1711706575, '2cc0268f', -4, 0, 0)

Line : 187
File : sessions.php