@API As per the error message you have define the Connection="AzureStorageAccount" for QueueTrigger. Please make sure that you have define AzureStorageAccount as the key and value as storage account connection string in your local.settings.json if you are testing in local environment. If you have deployed in azure function app then it should be in application setting configuration.
The 'AutoAssign' function is in error: Microsoft.Azure.WebJobs.Host: Error indexing method 'AutoAssign'. Microsoft.Azure.WebJobs.Extensions.Storage: Storage account connection string 'AzureStorageAccount' does not exist. Make sure that it is a defined App Setting.