Thanks for flagging this here in the Shopify Community.
I’d be more than happy to help you. Have you tried any of the troubleshooting steps below?
Clear your cache and cookies on your browser. After this, completely reboot the browser and try saving the information again.
Try a different web browser, as well as incognito or private windows to rule out any browser issues.
When using incognito, if you’re still experiencing a delay, confirm you have disabled browser extensions, as these can change how pages function and look.