| ClassHasNoFields | 
 Diagnostic, if class has no fields. 
 | 
| DefragmentRecommendation | 
 Diagnostic to recommend Defragment when needed. 
 | 
| DefragmentRecommendation.DefragmentRecommendationReason | 
  | 
| DeletionFailed | 
 Diagnostic on failed delete. 
 | 
| DescendIntoTranslator | 
 Query tries to descend into a field of a class that is configured to be translated
 (and thus cannot be descended into). 
 | 
| DiagnosticBase | 
 base class for Diagnostic messages 
 | 
| DiagnosticToConsole | 
 prints Diagnostic messsages to the Console. 
 | 
| LoadedFromClassIndex | 
 Diagnostic, if query was required to load candidate set from class index. 
 | 
| MissingClass | 
 Diagnostic if class not found 
 | 
| NativeQueryNotOptimized | 
 Diagnostic, if Native Query can not be run optimized. 
 | 
| NativeQueryOptimizerNotLoaded | 
  | 
| ObjectFieldDoesNotExist | 
 | 
| UpdateDepthGreaterOne | 
 Diagnostic, if update depth greater than 1. 
 |