Hi @Boon Loo Gan ,
Thank you for reaching out to us on the Q&A forum.
From your question we understand that you are facing an issue in the following AZ-900 Learn Path:
- Section: Azure Fundamentals: Describe Azure architecture and services - Training | Microsoft Learn
- Module: Describe the core architectural components of Azure - Training | Microsoft Learn
- Unit: Exercise - Explore the Learn sandbox - Training | Microsoft Learn
We also understand that you were unable to access the Activate Sandbox button in that unit.
The issue has been resolved and it has been restored.
We are extremely sorry for the inconvenience.
Please press the Accept Answer option if you find this helpful.
Please reach out to us if you have any further queries.