Good morning Alina-alinalovin,
It's always a pleasure to see a new face here in the Community, Welcome! Its important that you're able to upload your transactions without running into any issues. I recommend clearing your cache and cookies, or trying a different browser, as it may be browsing data that is preventing the software from doing what it is supposed to do.
If the issue persist, I encourage you to reach out to the support team outside of the Community. They'll be able to verify your account details in a secure setting, as well as view your screen to better assist you. You can reach them by following one of these methods:
Schedule a Callback or start a Chat: click (?)Help in the upper right > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start a Chat.
Social Media: Facebook and Twitter
If you have any other questions, feel free to reach out here.
