my sudo /etc/apt/sources.list shown below
deb http://archive.raspberrypi.org/debian/ buster main
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://legacy.raspbian.org/raspbian/ buster main contrib non-free rpi
Below when requesting update
pi@retropie:~ $ sudo apt update
Hit:1 http://archive.raspberrypi.org/debian buster InRelease
Hit:2 http://pipplware.pplware.pt/pipplware/d ... ain/binary InRelease
Hit:3 http://pipplware.pplware.pt/pipplware/d ... ain/binary ./ InReleas e
Reading package lists... Error!
N: Ignoring file 'raspi.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/pipplware.pplware.pt_pipplware_dist s_buster_main_binary_Packages
E: The package lists or status file could not be parsed or opened.
deb http://archive.raspberrypi.org/debian/ buster main
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://legacy.raspbian.org/raspbian/ buster main contrib non-free rpi
Below when requesting update
pi@retropie:~ $ sudo apt update
Hit:1 http://archive.raspberrypi.org/debian buster InRelease
Hit:2 http://pipplware.pplware.pt/pipplware/d ... ain/binary InRelease
Hit:3 http://pipplware.pplware.pt/pipplware/d ... ain/binary ./ InReleas e
Reading package lists... Error!
N: Ignoring file 'raspi.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/pipplware.pplware.pt_pipplware_dist s_buster_main_binary_Packages
E: The package lists or status file could not be parsed or opened.
Statistics: Posted by HondaZ50M — Wed Jan 28, 2026 7:13 pm