Ash here from the Shopify team. Welcome to the Shopify Community!
Thank you for reaching out and letting us know of the issue you're facing. Our team is aware of the current issue that is happening intermittently for some users. This issue is affecting certain areas of the admin, and updates can be found on our status page here. Our team is currently working on a fix, and we're aiming to get this done quickly so that everyone can return to normal operations. I hope to see this resolved shortly, and feel free to reach out if there are any other questions or concerns in the mean time.