Problem buying masks (Grand Theft Auto 5)

Good afternoon, I am applying for the first time, because I need help. My friend has such a problem: level 50, there is enough money. But the problem is that when you approach the store of masks and talk to the NPC, only 12 masks come out, which you cannot buy. When you select them, an error occurs related to "wrong prices", "re-enter the game", etc.

PS The problem has already been found, the meaning was in the Game Hall, she accidentally started the robbery. We thought for a long time.
What to do with this and how to check which of the robberies started, if this is the problem?