My transaction does not seem to be saving, when I hit the save button.
We can perform some troubleshooting steps to fix this, chinnychinchinke.
As we use the web browser, we may run into trouble with the browser's cache. It could be that the accumulated temporary internet files in the system is the reason why QuickBooks is unable to save your transactions properly.
We can start by:
Accessing your QBO account in a private/incognito browser. Please check out the shortcut keys that I've listed below.
Google Chrome: Ctrl + Shift + N
Safari 11 or newer: ⌘ + Shift + N
Mozilla Firefox: Ctrl + Shift + P
Then, let's create a dummy transaction. If it's working well, we'll have to go back to your regular browser and clear the cache to delete stored site data and improve the system performance.
If it didn't succeed, we can use other supported browsers. It could be that the one you're currently working on has a temporary issue with QuickBooks. As of now, here' s our supported browsers:
Safari 11 or newer
Let me know how it goes in the comment section, as I want to ensure that you can successfully create your transactions.