Symptoms
Error "Required attribute 'allowAmbiguity' not found" in K2 designer for Visual Studio and K2 studio when Opening wizard in Load Balanced environment
Diagnoses
It seems that this attribute is missing in one of the K2hostserver.config files
Resolution
Resolution:
"
in all the K2hostserver.config files make sure that
is not missing.
Do the change to the files then restart the k2 host server"