I can't copy anything into my vm machine

Hello,
I’m new to HTB and don’t have much experience yet. My problem is that when I make modules and use the vm machine I can’t copy text from outside and paste into Parrot for example. I can copy and paste within the vm, but not from outside. It worked by accident for a day, but I don’t remember what was different. I hope I am posting this question in the right category.