Please help - I've got no income at all

Hello. I was claiming ESA (WRAG) after winning an appeal (which took almost a year) but it was stopped last month because I didn't attend the WCA. I didn't get a letter or phonecall to tell me about it, but I did get the letter asking why I didn't show up so I just told them I didn't get the WCA appointment letter. What else could I do?

It was stopped from the 13th of April (the day after the WCA that I didn't go to) but the letter telling me that it had been stopped was dated the 29th (and I didn't get it til a few days after that)

So obviously I panicked. I rang to claim JSA (as advised in the disallowance letter) but I couldn't without declaring that I was fit for work and I was told that they probably wouldn't backdate it to the 13th, so I put in a new (backdated) claim for ESA and appealed the decision.

But they won't pay me anything until I pass the WCA so I have had zero income this month. I am WELLLLLLL into my overdraft, and I'd be even further into it if I hadn't been buying things online with my credit card for my step-dad and getting the money back in cash.

So what can I do? If I don't pass the WCA (which I probably won't - I got zero points last time before taking it to a tribunal, which took nearly a year) I won't get anything. I'll end-up with a huuuuuge gap in my payments. Is there anything I can claim in the interim?

I've called CAB but I just keep getting an automated message saying that my call cannot be taken AND I cannot leave a message. CLAC has closed down now (despite the disallowance letter telling me to get in touch with them). There's no help out there and I'm really desperate :(

Please help