@Manish Awasthi
I believe this error can occur if you have Storage Analytics enabled for your storage account but are not allowing access. If you are not using this service you could disable it. Otherwise you need to go to the Networking tab for the storage account and select Allow trusted Microsoft services to access this storage account. For more information you can refer to this page.
Hope this resolves your issue. If you are still facing issues please let me know and I will be happy to investigate further.
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