It was roughly 1bn weeks ago (it is true that they said it could increase).
Income decreased >35% due to covid. I already told that the wages were too high but payable until covid came. only issue was basically no/cheap signings for a while, which is fair enough for me. we had a felon as a president (he should be in jail) too many years and you have to pay for your mistakes. covid converted a bad situation in a very bad situation and laliga rules are making it even worse. laliga fair play rules are enforced, not like uefa's.
anyway, a lot of people are salivating with Barça going bankrupt and dissapearing, but worst case scenario is Barça being sold to corporations (like bayern sold 25% of itself to pay the stadium, although i think those companies were originally from baviera) or letting a billionaire with 0 ties to the team to buy it, like... i don't know... psg, city, chelsea, united, tottenham... and dozens and dozens in europe.
it would kill the personality of the club and a lot of people would be very frustrated, but we are in 2021. some of those teams burnt hundreds and hundreds and hundreds of millions (aside from false contracts, etc.) and they didn't have any history, supporters or a decent squad. barça would sell fast. very few clubs are still 100% owned by the fans, and barça is (still) one of them. barça football team also subsidized a lot of sports like basketball, handball, hockey, futsal, volleyball, track and field, etc. that is the origin of "mes que un club". people are also worried that if the club stops being owned by the fans the new owner would kill them because they are dead money.
i've been always surprised that english fans are so proud of their teams yet most of them are owned by billionaires that could have bought their biggest rival and they wouldn't mind. most teams are private in spain too, but i think people are not so reliant of their local teams and they are still usually owned by local businessmen.
I think most fans would love to have the ownership model of Barca, I know I would.
However, this isn't the issue on this thread. The issue at hand is Barca's financial state. In January Barca admitted to €1.2bn in liabilities and that will have increased since then. €1.3bn as of now is probably an underestimation as they are so dependent on people attending games, visiting the museum and they went out of the CL early. This is before we even get to the €525m loan which we know wasn't entirely to do with debt management as that was needed, in part, to pay wages.
As for how they can pay for this, it is starting to become very questionable. Barca seem to be banking on:
1) People coming back in the same numbers as before.
2) Being able to get Messi's contract past La Liga. This seems like quite a task as they need to shed €200m from the wage bill and no one wants their players due to their wages. Of course some can go on loan, but Barca are going to have to eat some of their wages which means they cannot get enough of the €200m off the books doing this alone. If Messi doesn't re-sign, then things will be even more bleak if the sponsorship percentages tied to him is true.
3) They seem to bank on being able to keep all their best young players; De Jong, Pedri etc, however these players are the ones that they could sell to raise enough cash. However, if they sell them then they won't have anything to build on.
4) They are banking on their current squad taking massive wage cuts to help them out. The players have legally binding contracts so they require a lot of goodwill on the players' part. Personally, I do not see many of them doing it as they won't ever get such money again.
That is a lot of ifs and buts. Personally, I do not see how they shift enough cash off the books to re-sign Messi unless they sell a De Jong/Pedri etc. If they don't re-sign Messi, then I dread to think what their wage bill cap will be if the rumours are true.
Additionally, you stated that Barca's debt is principally due to the stadium regeneration. However, that is not true, as that debt would've been tied up in long term loans. Thus, by having €700m+ out of €1.2bn in short term loans it tells us that the majority of their debt isn't actually to do with the stadium.