I would like to understand what this error means, [422] Invalid Parameter: assignmentBean value " BaseAssignmentBean.
The context: I have attempted to set assignments by field value. I used the assign multiple action in order to map to assign ID. I have checked that there are no errors in the mapping. {{if(1.`Campaign` = "Popcorn"; "123456")}} {{if(1.`Campaign` = "Candy"; "789101")}}.