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 ('a299fa18f4a55ad465743effe717fde4', -1, 1715216004, 1715216004, '0d3a3cc0', 0, 0, 0)

Line : 189
File : sessions.php