Dietpi-Update: DietPi has encountered an error

[azenkwed]

Details:

• Date | Sun Sep 5 11:47:37 CEST 2021
• DietPi version | v6.31.2 (MichaIng/master)
• Image creator | DietPi Core Team
• Pre-image | Raspbian Lite
• Hardware | RPi 2 Model B (armv7l) (ID=2)
• Kernel version | Linux Diepi 4.19.66-v7+ #1253 SMP Thu Aug 15 11:49:46 BST 2019 armv7l GNU/Linux
• Distro | stretch (ID=4,RASPBIAN=1)
• Command | apt-get -qq upgrade
• Exit code | 100
• Software title | DietPi-Update

Steps to reproduce:

1. ...
2. ...

Expected behaviour:

• ...

Actual behaviour:

• ...

Extra details:

• ...

Additional logs:

WARNING: The following packages cannot be authenticated!
  libpcre3 libpcre2-8-0 libzip4 php-common
E: There were unauthenticated packages and -y was used without --allow-unauthenticated

[MichaIng]

Many thanks for your report. Can you please run the following commands manually in your terminal and copy&paste the output here:

apt update
apt upgrade

[MichaIng]

As of missing reply, I'll mark this as closed. If the issue persists, feel free to reopen.