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 ('0b052eb750027f1b637dd1ce8bc1a3ff', -1, 1715316959, 1715316959, '031196a3', 4, 0, 0)

Line : 189
File : sessions.php