Copying/pasting a Retry Instruction in the Workflow Editor throws an NPE exception

Current Situation: 
When copying a Retry Instruction in the Workflow Editor and pasting it into another workflow object, then the ./joc/api/inventory/store API throws the below exception:

"java.lang.NullPointerException"

Desired Behavior: 
When copy/pasting a Retry Instruction in the Workflow Editor, then it should be pasted into another workflow without raising an error.