| PaymentRequiredException | The exception that is thrown when a payment is required to access a resource. |
| ResourceHasBeenLockedException | The exception that is thrown when a resource has been locked |
| ResourceHasBeenPermanentlyDeletedException | The exception that is thrown when a resource has been permanently deleted |
| ResourceInvalidStateException | Thrown if internal processes are trying to use a resource that is in an invalid state. This exception should not be thrown if we're halting invalid input. |