Microsoft.extensions.configuration could not load?

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Hi Team

I need someone who can help to fix this issue, each time when i run my MVC application i get this exception "Microsoft Extension.Configuration.Abstractions or one of its dependencies. The located assembly manifest definition does not match the assembly reference.

What I have tried:

Install-Package Microsoft.AspNet.Identity.Owin -Version 2.2.3

Posted 3-Feb-20 3:36am

gcogco10

Updated 3-Feb-20 4:27am

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MadMyche 3-Feb-20 10:29am

More details would be helpful; such as which version of Net Core you are running AND the line of code that is generating the error

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Richard Deeming · Accepted Answer · 2020-02-03T04:28:00

By default, NuGet will install the lowest compatible version of any dependent libraries.

You almost certainly have a binding redirect in your config file which is trying to load a newer version of Microsoft Extension.Configuration.Abstractions than the one you have installed.

Check the NuGet package manager for updates to the installed packages, and check that any binding redirect versions in your config file match the installed versions of the libraries they refer to.

Redirecting Assembly Versions | Microsoft Docs[^]
<bindingRedirect> Element | Microsoft Docs[^]