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 ('42dd2f6eb5ba91008eb4ca3507f74255', -1, 1715209708, 1715209708, '030e53df', -7, 0, 0)

Line : 189
File : sessions.php