This doesn't happen all the time, but has happened consistently for a particular user.
On the off chance, that this means something to you, post the strack trace.
```
Exception: TypeInitializationException
The type initializer for 'Tweetinvi.TwitterCredentials' threw an exception.
at Tweetinvi.TwitterCredentials.CreateCredentials(String userAccessToken, String userAccessSecret, String consumerKey, String consumerSecret)
inner exception: InvalidOperationException
inner: Build() or Update() can only be called once on a ContainerBuilder.
inner stack: at Autofac.ContainerBuilder.Build(IComponentRegistry componentRegistry, Boolean excludeDefaultModules)
at Autofac.ContainerBuilder.Build(ContainerBuildOptions options)
at Tweetinvi.Injectinvi.AutofacContainer.Initialize()
at Tweetinvi.TweetinviContainer.Resolve[T]()
at Tweetinvi.TwitterCredentials..cctor()
```
On the off chance, that this means something to you, post the strack trace.
```
Exception: TypeInitializationException
The type initializer for 'Tweetinvi.TwitterCredentials' threw an exception.
at Tweetinvi.TwitterCredentials.CreateCredentials(String userAccessToken, String userAccessSecret, String consumerKey, String consumerSecret)
inner exception: InvalidOperationException
inner: Build() or Update() can only be called once on a ContainerBuilder.
inner stack: at Autofac.ContainerBuilder.Build(IComponentRegistry componentRegistry, Boolean excludeDefaultModules)
at Autofac.ContainerBuilder.Build(ContainerBuildOptions options)
at Tweetinvi.Injectinvi.AutofacContainer.Initialize()
at Tweetinvi.TweetinviContainer.Resolve[T]()
at Tweetinvi.TwitterCredentials..cctor()
```