Sense 6 red triangle

[Stavros Amargianitakis]

Hello.i have a problem trying to install sense 6.0 to my htc one mini.when i install it,at 1/3 of the bar it shows a red triangle with exclamation mark and then after 2 minutes it goes in sense 5.5.i downloaded many times and also factory restored me phone but nothing worked.i would appreciate any help