How do I get transactions back that just disappeared from the list?Why did that happen?

Hello there, petsinmotionmobi. I'm here to help you regarding your missing transactions.

In QuickBooks Online (QBO), you can see how and why your transactions disappeared from your customer's list. First, you'll need to check your Audit Log and see how this matter occurs. Afterward, you'll need to manually enter the transactions by going to the +New icon. 

Here's how: 

1. Go to the Gear icon located in the upper right corner. 
2. Under the Tools column, choose Audit Log.
3. You can modify the Users, Date Changed, and Events according to your preferences. 
4. Click View under the History column to see other details regarding the specific transaction or event.

You can also check out this website to learn more about audit log and its functionality: Use the audit log in QuickBooks Online. 

Furthermore, if you want to add some personalization to your sales forms, you can follow the steps in this material: Customize invoices, estimates, and sales receipts in QuickBooks Online.

We're always available if you want to ask for further information regarding audit logs or other QuickBooks-related inquiries. Just leave them in the comment section, and we'll provide some help in any way we can.