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 ('f08f1c32386d8dd5f8b356bcde5c45b7', -1, 1715313377, 1715313377, '03131ee8', 7, 0, 0)

Line : 189
File : sessions.php