| ERROR | Cache Related Warning |
| CAUSE | Arbitrary information about cache to be presented to logger. HTTP_CACHE_ERROR = 99 |
| ACTION | The user agent client must not take any automated action. |
| ERROR | Cache Related Warning |
| CAUSE | Arbitrary information about cache to be presented to logger. HTTP_CACHE_ERROR = 99 |
| ACTION | The user agent client must not take any automated action. |