I'm getting regularly payments from cryptomining. And as a matter of fact I'm withdrawing daily and I have no issue with it. In your case, I think you have to bought hashpower for you to withdraw the FREE Earnings earned from FREE Hashpower.
You are lucky enough if you can still withdraw. I want to ask if you have experienced ROI? If so then this is a great thing because not all cloud mining can do that.
The majority of cloud mining only performs mathematical calculations and without any hardware mining, it is a matter of doubt that we will have a huge risk in every investment we make. For me cloud mining is not a way to earn income and cloud mining is a thing to avoid because the risk is so great !!!
Never risk the money you have for an inconvenient thing !! it's like a gambling because just hoping on a luck.