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 ('2409ab99dc989fb031eeb9df15b59e22', -1, 1715336018, 1715336018, '03907ce8', 3, 0, 0)

Line : 189
File : sessions.php