After upgrading to K2 Five (5.2), an error occurs when you attempt to execute a SmartObject method generated from a WCF Endpoint Service Instance. This occurs after you reboot the system.
The following error occurs: “Value cannot be null. Parameter name: s.”
- Ensure you have K2 Five (5.2) installed.
- Download the K2 Five (5.2) FP5 from K2 Partner and Customer Portal.
- Install the K2 Five (5.2) FP5 to apply the fix.