Generic validation error.
Validation failed for user-related data.
Validation failed for email field (e.g., format or presence).
Validation failed for product-related data.
Validation failed for post-related data.
Validation failed for comment-related data.
Validation failed for category-related data.
Validation failed for uploaded or provided file.
Validation failed for image-related data.
Validation failed for address-related data.
Types representing different validation error scenarios (HTTP 422 or 400).
These error types help identify which resource or field failed validation during a request. This is commonly used when required fields are missing or values are invalid.