Why does registering all validator classes from another assembly fail in .net6/FluentValidation?

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There could be several reasons why registering all validator classes from another assembly may fail in .NET6/FluentValidation. Here are some possible reasons:

1. Assembly not found: The assembly containing the validator classes may not be found at runtime. This could happen if the assembly is not referenced properly or if the assembly is not deployed along with the application.

2. Invalid validator class: There may be one or more validator classes in the assembly that are not valid. This could happen if the validator classes are not properly implemented or if they reference invalid types.

3. Conflicting validator classes: There may be two or more validator classes in the assembly that have the same name or that validate the same type. This could cause conflicts when registering the validators.

4. Incorrect registration method: The method used to register the validator classes may not be correct. This could happen if the wrong registration method is used or if the registration is not done properly.

To resolve these issues, you can check if the assembly is referenced properly, validate the validator classes to ensure they are correctly implemented, resolve any conflicts between the validator classes, and ensure that the correct registration method is used.