@FOS IT Based on the error message I think the issue is related it's may related Azure portal sign-in
Storage firewalls and virtual networks
Can you check once with the admin or who has configured the Azure File share in the company Network and let me know the status
https://learn.microsoft.com/en-us/azure/storage/common/storage-network-security
When exactly are you getting this error message? Can you share the screen shot of the error?
How are you trying to connect to Azure?
Based on the error message: Refer to this article https://learn.microsoft.com/en-us/azure/cost-management-billing/manage/no-subscriptions-found