phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a4bfe556b5d4e81f77e4e7d94c4a3f1b', -1, 1715306346, 1715306346, '0d3a89da', -2, 0, 0)

Line : 189
File : sessions.php