I did realize finally that I needed to keep the mixer available. I also noticed that there was a message about the mixer at the start but it only flashed on; there was no time to actually read it. The error message itself isn't helpful at all and it should be updated to indicate why you failed the level.
I have version 1.140.0.5 and the error is still occurring. I have also tried the other options mentioned in the article except uninstalling because I don't want to lose my boosters.