All exceptions are defined at loafer.exceptions module.
A description of all the exceptions:
ProviderError: a fatal error from a provider instance. Loafer will stop all operations and shutdown.ConfigurationError: a configuration error. Loafer will stop all operations and shutdown.DeleteMessage: if anyhandlersraises this exception, the message will be rejected and acknowledged (the message will be deleted).LoaferException: the base exception forDeleteMessage.