Vs2013 vs2015 MicroFrameworkSDK4.3.2.0 netduinosdk4.3.2.1 error system.security.securityException:ECall


please give me a method,thanks

the problem is normal ,the program is assembly to the board and run,it’s my first iot programming and i don’t know the machine-made before ,and now i know and use it well,next i’ll use the meadow