I'm getting this error when trying to use Courier to push some content:

SOMETHING WENT WRONG :(

Here is some technical information that might help shed some light on whats happened:

Message: Internal Server Error

Exception Message: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> Umbraco.Courier.Core.ProviderException: No provider with id '177e3cf9-2d0b-42b8-9d7d-a9ccb2439a4d' found at Umbraco.Courier.Core.ProviderCollection`1.GetProvider(Guid id, ExecutionContext executionContext) at Umbraco.Courier.Core.ProviderModel.ItemProviderCollection.GetProvider(Guid id, ExecutionContext context) at Umbraco.Courier.RepositoryProviders.Local.Package(ItemIdentifier itemId) at Umbraco.Courier.RepositoryProviders.Local.Hash(ItemIdentifier itemId) --- End of inner exception stack trace ---

Exception Type: System.Web.Services.Protocols.SoapException

Stack Trace:  at Umbraco.Courier.Core.TaskManager.GetSuccessfulProcessedTasks() at Umbraco.Courier.UI.Dialogs.CommitItem.GetTask(String id)

To troubleshoot the error I am attempting to follow these instructions:

https://our.umbraco.org/documentation/Add-ons/UmbracoCourier/CommonIssues

They contain this link to download the latest version of Courier:

http://nightly.umbraco.org/UmbracoCourier/2.7.8/nightly%20builds/

Which, when I attempt to download gives this error:

<Error>
<Code>BlobNotFound</Code>
<Message>
The specified blob does not exist. RequestId:029e8c17-0001-0038-0fb7-de8f90000000 Time:2016-07-15T16:36:26.0660484Z
</Message>
</Error>

Any assistance with any of these issues would be appricated!