This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice This article is not considered official documentation for K2 software and is provided “as is” with no warranties.
When you are using workflow designer the following error appears:
"Missing reference at SmartObjectField. Error. Item has already been added. Key in Dictionary: Folio' Key being added: Folio. Stack Location: K2process >>> Stack end."
Due to the error this halts you from deploying the process in this scenario.
It appears that this is tied to a number variable only, when using any other variable type such as string or text this works as expected.
This has been resolved within Fixpack 5 for K2 5.2. You can download it here: