Here's what consumers need to know, can do if Ticketmaster stubs ...

Ticketmaster customers have expressed that they feel ripped off. This comes after consumers nationwide claim that the tickets they purchased are vanishing from their accounts.

One of those consumers is San Francisco resident Nick, who said he purchased tickets for his children to see Imagine Dragons and Taylor Swift in concert.

Consumer Investigative Reporter Chris Chmura has the full story and advice for those affected in the video above.

Ticketmaster customers have expressed that they feel ripped off. This comes as consumers nationwide are claiming tickets they purchased are vanishing from their accounts. NBC Bay Area's Raj Mathai spoke with Consumer Investigative Reporter Chris Chmura to understand the situation and what those affected can do.