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 ('110a3c45b8a3f6db75b53ca1ee9d8d7c', -1, 1715095668, 1715095668, '0d3a7983', 0, 0, 0)

Line : 189
File : sessions.php