FEZ Duino - Pin Exception - WiFi CS PD15

Trying to open PIN PD15 (WiFI CS) results into an exception:

image

I have updated everything to 2.2.0.6000 (Developer Studio/firmware on device, libraries…).
Example:

Thank you for any assistance.

Did it work before?

Do you use PD15 somewhere else? This pin is also RTS of UART8, do you use UART8 with HS?

Try a simple project and open only PD15 to see what happened

Thank you for the quick reply. Good news: The simple project is working.

As C# beginner I have now learned that an unused but linked class with a static member
has been the problem:

I have changed there the 15 to 14 as work-a-round, but I will disable/remove the class till
I am ready with my basics doing in the main.

Thank you!!

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