Software⏱️ 2 min read📅 2026-05-31

How to Fix: Error message "No exports were found that match the constraint contract name"

Error in Visual Studio solution due to constraint contract name mismatch.

Quick Answer: Check the project references and ensure that all referenced assemblies match the contract names. Rebuild the solution or try repairing the references.

The error message "No exports were found that match the constraint contract name" typically occurs when there is a mismatch between the namespace or assembly name in your Visual Studio project and the one referenced in your code. This can happen due to various reasons, such as incorrect references, missing namespaces, or changes in project structure.

⚠️ Common Causes

  • Incorrect references to assemblies or namespaces.
  • Missing namespace declarations in your code.
  • Changes in project structure that affect the assembly name.

🔧 Proven Troubleshooting Steps

Method 1: Rebuild and Repair

  1. Step 1: Try rebuilding your solution.

Method 2: Check References

  1. Step 1: Verify that all references to assemblies or namespaces are correct.

Method 3: Use the 'Find and Replace' Feature

  1. Step 1: Open the 'Find and Replace' feature in Visual Studio.

🎯 Final Words

By following these steps, you should be able to resolve the "No exports were found that match the constraint contract name" error and get your Visual Studio solution up and running again. Remember to always double-check your references and namespace declarations for any inconsistencies or typos.

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