Activity '{0}' is configured to use Azure SQL Data Warehouse Polybase as destination and Azure Blob as staging store. The ...

Activity '{0}' is configured to use Azure SQL Data Warehouse Polybase as destination and Azure Blob as staging store. The staging linked service '{1}' is AzureStorageSas. In this combination the staging store must use AccountKey authentication. Please specify an AzureStorage linked service in the staging properties. See http://go.microsoft.com/fwlink/?LinkId=800256 for details.