hellow,im a beginner aged 22 years of age currently developing a project in visual studio using c#.net framework.,i installed GUNA.UI framework to use in my project and after completion it executed well and so far it has been doing well, but unfortunately today when when i opened my project file, all the designs in my application generated errors like "control does not support transparent background colors" and all the GUNA framework controls disappeared from all the designs...............
please help on how to correct it.