I'm trying to remove old employees, but I get this error: QBO ID is NULL or EMPTY.

Let me discuss the specifics about the error you encountered when attempting to remove old employees, LCTTheathre. 

Currently, we have an ongoing investigation (INV #112082) about users getting the prompt "QBO ID is Null or Empty" when editing Employees' profiles. Our engineers are working diligently to identify the root cause of this error and determine the best course of action to fix it. 

In the meantime, I recommend contacting our Live Support Team. They have the necessary tools to review your account and investigate the issue further. They can also add you to the list of affected users so you will be notified once it's resolved. Here's how:
 

1. Go to Help.
   
   
    
2. In the Search tab, search for a topic related to your concern. 
   
   
    
3. Click Contact Us.
4. Enter INV-112082 in the designated field and select Continue.
   
   
5. Choose a way to connect.
   
   

QuickBooks Online Payroll (QBOP) Core users may access assistance from Monday to Friday, 6 AM to 6 PM PT. QBOP Premium and Elite subscribers benefit from round-the-clock guidance.

Additionally, I'll share this resource to help you view useful info about your business and employees: Run payroll reports.

Your patience and understanding as we work towards resolving this issue is highly appreciated. If you have other questions about managing employees or setting up payroll, post a reply in the comment section.

Thanks you!  I will report my issue, and await a solution.