Symptoms
Error by running SmartObjects in upgrade environment after upgrade
Diagnoses
Client test environment was upgraded to version 4.6.9.
Client was using Smartobject tester on their client machine via the .exe they copied from the K2 Server.
Resolution
Please note when upgrading the smartobject tester tool also changes from version to version so it is important to use the latest one when upgraded.
Please copy the latest SmartObject tester tool form the /Bin folder of your K2 Server to your client PC.