He’s got problems. Big ones. Rudy Giuliani is trapped in a living “nightmare,” and the former New York City Mayor can’t believe it’s real, he was overheard telling pals at Donald Trump’s private club, Mar-a-Lago last week. Source exclusively tell Page Six that Giuliani was spotted at the Palm Beach club as he’s facing bankruptcy stemming from a spate of debts. An attendee told us they heard the former Trump attorney saying he’s in a “nightmare world,” and “he wakes up everyday and can’t believe it’s real.” The onetime pol was hit with a whopping $148 million claim after being found guilty by a Georgia court of falsely accusing two poll workers of committing voter in Fulton County during the 2020 election. Feds are also reportedly targeting Giuliani’s own $3.5 million Florida condominium, as Giuliani contends he lacks the finances to settle his debts. Giuliani was at Mar-a-Lago attending an event in support of Arizona Republican congressional hopeful Abe Hamadeh, we hear. […] Giuliani has told supporters recently in a frantically worded message via his Rudy Giuliani Freedom Fund: “Friend, There’s no other way to say this… You may truly be my only hope. The Biden Regime is sending a top ally of President Trump to PRISON!” The appeal added that, “The Deep State is hellbent on indicting, arresting, bankrupting, and imprisoning President Trump and his top allies for daring to challenge the corrupt forces that have hijacked our once Free Republic. And as the lawyer who successfully defended President Trump from impeachment, I am at the…