vddos setup Error! Missing lib...

[IITuxtmuxII]

Hi I just installed it and get this error when I want to start vddos setup

root@vddos:~# vddos setup
Error! Missing lib...

OS: Debian 11
Vultr vps

[IITuxtmuxII]

how can I find the issue?
I can also not install

oot@vddos:~# apt -y install libreadline-gplv2-dev
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package libreadline-gplv2-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'libreadline-gplv2-dev' has no installation candidate

[duy13]

wget https://raw.githubusercontent.com/duy13/vDDoS-Protection/master/latest.sh ; chmod 700 latest.sh ; bash latest.sh

[IITuxtmuxII]

sorry for the long pause I did that and it worked

[Norbi245]

anyone have a fix?