You need to convert your “Queue Based” RE Framework transaction to “Data table based”
RE Framework transaction , please find the link below for better understanding.
I guess you didn’t pass your input data properly here because of that you are getting this error. I would suggest you to go through ReFramework videos to know more about it.
Can you please show me flow in Get TransactionData workflow.
Here, we will retrieve one by one item from io_TransactionData and will assign it to out_TransactionItem and will send it to Process Transaction Data state to process it.