Errorf Returns a new error with the stack information.

IsValidationError returns true if err is a ValidationError returns false otherwise.

ValidationErrorf formats a new ValidationError.

Wrap returns an error with the caller stack information embedded in the original error message.

TraceableError is an internal error used to carry trace details to be shared across the multiple layers and reporting facilities.

ValidationError is a type of error used to report model or any general condition validation error.