How to Manage packages for solution visual studio Fix Error | NuGet.org as a package | with BeSmart

With BeSmart
how to fix nuget package restore failed:
"there was an error running the selected code generator: an error occurred while retrieving package metadata for 'entityFramework.6.1.3' from source 'Package source'"
Nuget package restore for missing packages:

[santiagogarzon]

I still cant believe Indian youtube solutions videos at 3am are usefull as f.
Thank you your help is priceless.

[christianfages]

Than u so much. This helped me to solve this annoying problem I have :D Dev hug for u.

[Dragons]

Thanks, this helped me to solve issue

[zakaria_faluuja]

Thank you for helping keep going, bro ❤

[jayanthnaik]

iam getting an error saying that requires a package source mapping how to do that please tell me bro.