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Could not load file or assembly.

rahul kumar

Error : Could not load file or assembly 'Microsoft.Bcl.AsyncInterfaces, Version=1.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. The system cannot find the file specified.

When i add API controller with Action using entity framework at that time facing some issue.

How can I solve this issue?

Any help would be appreciated.

Thank you.

2 Replies

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D Developer5y ago
Accepted answer
I think your Asp.Net Core version and EntityFrameworkCore version is mismatching.
Make sure that both have the same version.
Sachin Singh5y ago
your version is mismatching,
if you are using Asp.Net Core 3.x then make sure you have Microsoft.EntityFrameworkCore version 3
if you are using Asp.Net Core 5 (.Net 5) then make sure you have Microsoft.EntityFrameworkCore version 5(latest)