Have you tried "VEGAR7"? I think you can almost see of us wearing the Vegabet signatures have the same code in our personal text area. Just try that one because I think that one isn't expired yet or so I thought. Or you can ask Royse to have him ask it on Vega for the right bonus code you're looking for specifically, Royse replies on his inbox fast and I think you should message him to ask some help regarding this.

Yes. Currently, there might be an issue with the code that was posted in OP. I actually forgot about the other code "VEGAR7" that is literally in our personal text, my bad on this. I checked it in my account and yes, it can be use.
@rdluffy, as they have suggested, if you register you can keep it blank for the meantime or simply used the mentioned code above.

AFAIK, activating or claiming 2 bonuses at once while both still have pending wagering requirements is not possible. That is because it could be exploited to merge wagering progress from multiple bonuses through a single bet, which casinos usually consider bonus abuse. But, this still depends on each casino's own policy, but most only allow one active bonus at a time so they do not combine.

The problem might be that you can only use one of the two bonus codes, or that you’ve already used them in the past and are now trying to use them with a new profile, but the system recognises your fingerprint and won’t let you proceed. That would be perfectly normal if that were the case, as the codes work for other users.

If that was the case then it would be a flaw in the bonus system, because anyone could activate more than one bonus and then complete the wagering requirement for just one of them and as a result he woud clear all the other bonuses and will be free to withdraw his winnings. This would make it as if the other bonuses had no wagering requirement at all.
I tried to check the bonus terms but I couldn’t find any relevant information regarding this.

If the bonus program has too many complicated terms like you said from your experience, likely there are other people who claimed the welcome bonus while they perhaps had to face with similar challenge like you got. I believe that there is no free lunch, no easy welcome bonus and no easy marketing programs because any business will need to do their works, run programs efficiently and economic saving for their business.

However if their programs are too complex, too challenging for users, it can cause side effects and rather than getting more users, keeping them to stay on the casino, they will kick new users away. Vega team will need to look at it, take the user community opinion for consideration of any changes in their marketing programs in the future.

After you receive the bonus by entering the promo code, you should go to the “Bonuses” section to activate this bonus (you have a 7‑day period to do this). If you don’t do this, the bonus will be cancelled, but I don’t know whether it’s possible to get it again. You can check this yourself, as both promo codes are valid.

For example, I used both bonuses, and now I have a 30‑day period to meet the wagering requirements. It’s important that you can even wager part of the bonus (but at least $1 to claim it), not the entire bonus. In other words, you can receive part of the bonus, it’s not necessary to wager it in full.

I think most bonus expires and there's always a time limit claim window and it would be the same for Vega. I got the same experience most of the time I sign up with these bonuses only to just let it expire considering the wagering requirement which is kinda absurd, it looks like you need a max win to claim it. Yep, claiming bonus has terms and it's not on casino's fault if you've signed up with it and didn't notice those small details, especially the claim window.

One thing that many users forget to check out is that the claim window. At first, a bonus might seem like a fine deal, but also the expiration date and the terms for the start of the bonus payout can be crucial. If it was a same promo code for many users I wouldn't immediately come to the conclusion that it is Vega Bet, until I saw if it was taken before the time was up, and if all requirements were met. Before claiming, it's always best to read the terms, particularly with limited time no deposit offers.

Indeed, you’re right. The bonuses are wagered in sequence. First, the first bonus received is wagered, then the next bonus. The screenshot shows that $0.22 from the first bonus has been wagered, while the second bonus remains with 0 progress.