Welcome to the Community, @yana deineka.
We are aware of this unexpected behavior and this has already been escalated to our Product Development Team.
Please contact our QuickBooks Online Support so they can pull up your account in a safe environment and sign you up to receive email updates as soon as they become available. You can reach them through chat and provide this investigation number 44934.
Do bear with us while we continue to resolve this as soon as possible.
Should you have any additional questions or concerns, the Community will have you covered. Thanks for reaching out, and have a good one.