What mean of "No exports were found that match the constraint contract name" error?

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Aryan Kumar · Answer

The error message "No exports were found that match the constraint contract name" means that Visual Studio cannot find any exports that match the specified constraint contract name. This can happen for a number of reasons, such as:

The constraint contract name does not exist.
The constraint contract name is not associated with any exports.
The constraint contract name is associated with exports, but the exports are not visible to the current context.

To troubleshoot this error, you can try the following steps:

Check the spelling of the constraint contract name.
Make sure that the constraint contract name is associated with at least one export.
If the constraint contract name is associated with exports, make sure that the exports are visible to the current context.

If you are still unable to resolve the error, you can contact Microsoft support for help.

Here are some additional things you can try:

Clear the Visual Studio Component Model Cache. To do this, open File Explorer and navigate to the following folder:

%USERPROFILE%\AppData\Local\Microsoft\VisualStudio\14.0\ComponentModelCache

Delete all of the files in this folder.

Uninstall and reinstall Visual Studio.
If you are using a third-party extension, try uninstalling it and see if that resolves the issue.

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What mean of "No exports were found that match the constraint contract name" error?

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