Hi there lucipneus-gmail-,
It's important that all your transactions are correctly entered for your books to be well balanced. QuickBooks Online is a great tool to help you keep track of sales and expenses so you know the profit of your company. I can provide some assistance with missing information.
One possible cause for information not showing in your QuickBooks account would be browsing data. These temporary files can accumulate in your browser, system, and network and can cause the information to appear missing in any cloud-based software like QuickBooks Online. Here are some steps to resolve issues caused by browsing data:
Feel free to reach out here if you need more assistance. We're happy to help.