E: Failed to fetch http://raspbian.raspberrypi.org/raspbian/pool/main/g/gst-plugins-base1.0/gir1.2-gst-plugins-base-1.0_1.14.4-2_armhf.deb  404  Not Found [IP: 93.93.128.193 80]
E: Failed to fetch http://raspbian.raspberrypi.org/raspbian/pool/main/g/gst-plugins-ugly1.0/gstreamer1.0-plugins-ugly_1.14.4-1_armhf.deb  404  Not Found [IP: 93.93.128.193 80]
E: Failed to fetch http://raspbian.raspberrypi.org/raspbian/pool/main/g/gst-plugins-base1.0/libgstreamer-plugins-base1.0-dev_1.14.4-2_armhf.deb  404  Not Found [IP: 93.93.128.193 80]
E: Failed to fetch http://raspbian.raspberrypi.org/raspbian/pool/main/g/gst-plugins-bad1.0/gir1.2-gst-plugins-bad-1.0_1.14.4-1+b1_armhf.deb  404  Not Found [IP: 93.93.128.193 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
pi@raspberrypi:~ $ sudo apt-get update
Hit:1 http://archive.raspberrypi.org/debian buster InRelease
Get:2 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB]
Reading package lists... Done        
E: Repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' changed its 'Suite' value from 'stable' to 'oldstable'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details.