I want you to know that helping you our customers are always our top priority, rktoor.

Let's isolate this case by clearing the cache. There are times when a browser's cache data becomes full of frequently-accessed pages, or it is damaged. When this happens, pages like match bills don't load properly. 

To better isolate if this is a browser issue or not, let's access QuickBooks Online (QBO) using a private or incognito window. 

Here's how you can access private browser: 

• Google Chrome: Ctrl + Shift + N 
• Microsoft Edge: Ctrl + Shift + P 
• Firefox: Ctrl + Shift + P 
• Safari: Command + Shift + N 

Then go back and try to match the bills. If it works, we can clear your browser's cache to delete those temporarily stored files and free some space on your browser's data. You can also do this task on other supported, up-to-date browsers like Google Chrome, Internet Explorer, or Mozilla Firefox. Clearing it will refresh the system, and you'll be able to work with clean trash.

Additionally, What has been made inactive, and by who? Let's go ahead and check your Audit Log report it lets you view all the changes made in your company file. It also shows who made them. It displays the 200 most current entries or changes made to your company data, by default. You can also easily see older instances by adjusting the date range in the Audit Log. You can refer to this article for more information: Use the audit log in QuickBooks Online. 

Please don't hesitate to visit us here in the Community if you have other questions. I'm always here to answer your inquiries. Take care!