ERROR opkg Failed to decode signature Packages.sig

[aguamemnon]

at use of ./2installs.sh i have 2 error :

*** Failed to download the package list from https://github.com/shivajiva101/KlipperWrt/raw/dev/packages/ramips/mt76x8/packages/Packages.gz

and

Downloading https://github.com/shivajiva101/KlipperWrt/tree/v3.0/packages/ramips/mt76x8/packages/Packages.sig
Failed to decode signature
Signature check failed.

[shivajiva101]

try the latest release, dev branch was purely for testing the build and was deleted