ERROR_BAD_VALIDATION_CLASS - 1348 (0x544)

The validation information class requested was invalid.

Updated: Feb 21, 2026

Technical Meaning

The error code ERROR_BAD_VALIDATION_CLASS indicates that a validation information class requested by an application or system component is not recognized. This typically occurs when the API call expects a specific type of validation information, but the provided value does not match any valid classes.

Error Details

  • Error Name: ERROR_BAD_VALIDATION_CLASS
  • Numeric Code: 1348 (0x544)
  • Short Description: The validation information class requested was invalid.

Usage Context

This error is commonly encountered in scenarios where an API call requires a specific type of validation information, such as file attributes or directory flags. If the wrong validation class is passed to the function, this error will be returned.

Developer Interpretation

Developers should ensure that they are passing valid validation classes when making API calls that require them. The exact set of valid classes can vary depending on the specific API and its documentation. Developers must consult the relevant API documentation for a list of acceptable validation classes to avoid this error.

Related Errors

FAQ

Q: What does ERROR_BAD_VALIDATION_CLASS mean?

A: It means that an invalid validation information class was requested in an API call. Ensure the correct class is being used according to the API documentation.

Q: How can I avoid this error?

A: Review and verify the validation classes you are passing to relevant API calls. Consult the specific API documentation for a list of valid classes.

Summary

The ERROR_BAD_VALIDATION_CLASS indicates an invalid validation information class was requested in an API call. Developers should ensure they use correct validation classes as specified by the API documentation.