Welcome to the Community page,
Could you try some troubleshooting steps and see if that resolves your issue if it doesn't then reach back out to us and let us know.
Troubleshooting steps to try to resolve your issue
1.Can you clear your cache and cookies, close the browser down, reload it, log back into Quickbooks and see if the transactions are now showing in there.
2.Try in an incognito/private window
3. A different device
Let us know how you get on.