Bratz Rock Angelz black screen

Hey guys. I recently got Bratz Rock Angelz for my little sis. She tells me that at a certain part, where she enters a building, it turns black. It does the same for every character. I tried mode 3 and 1 (separately), and still, the same thing. When the screen turns black, the hdd activity light in the ps2 blinks every 2 secs or so. How can I remedy this?

Tell her to keep perservering, my daughter got past it after numerous black screens by not buying anything and going straight into the building first up before doing anything else