Microsoft has created a new Flight called Flight EnableSharingOfValidStorageConnectionString (SYSFlighting) to block the usage of the Internal Azure Storage.  
Following this event, we have created a custom script to disable this Flight and one to re-enable it. This article explains how to use the custom scripts, which you will find at the bottom of this page.
Steps
Follow these steps:
In Lasernet FO Connector, navigate to System administration > Periodic tasks > Database > Custom scripts.
Upload the script using the following form:
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Navigate to Details > Process workflow > Approve to approve the script.
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Run the script and then restart the environment.