Hello i have a problem

[123321123321]

error downloading a file for the following pack blightfall 
failed to download https://libraries.minecraft.net/tv/twitch/twitch-exterial-platform/4.5/twitch-external-platform-4.5-natives-windows-64.jar

please consult the modpack autor 
pls help 
Have a nice day

[123321123321]

PLE

On 1/9/2020 at 5:44 PM, 123321123321 said:

error downloading a file for the following pack blightfall 
failed to download https://libraries.minecraft.net/tv/twitch/twitch-exterial-platform/4.5/twitch-external-platform-4.5-natives-windows-64.jar

please consult the modpack autor 
pls help 
Have a nice day

PLEASE HELP ME SOMEONE