Error in ASP.NET Precompilation



My team is having an issue scanning our C# code in Visual Studio using Fortify 360 using version 4.30. Although there is no ASP in the projects we are attempting to scan, we get an issue that says: "Error performing ASP.NET Precompilation". It then says "Scan Failed: Object reference not set to an instance of an object". We have been troubleshooting this for some time and have attempted every possible solution we have found online and using the resources we have at our disposal. We have also tried running this using Fortify version 4.21, through the command prompt, and through the audit workbench. This issue occurs in about a third of our solutions and it is critical that we resolve this as soon as possible. Thank you in advance for whatever help you can offer.