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 ('b7a5644d624eb19a34e59abc30ba5dc7', -1, 1715168711, 1715168711, '03916c09', -4, 0, 0)

Line : 189
File : sessions.php