Yes, I imagine there's nothing that can be done.
I asked for an extension, but everything happened very quickly. All in less than a day. The client liked the delivery and I was making the final adjustments. Normally, my clients are always fine with it. This is the first time this has happened. I'll put the UI on marketplaces to get some profit with this.
I've Seller Plus, I pay the ads, usually it's worth to me, I'm making a good income here, so I hope this doesn't affect me in the long term.