Performer problem

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Hi,

I am testing the second assignment for level 3, create yearly report.

I have run the dispatcher workflow and there are items recorded in the queue in orchestartor. So, it should have no problem for the dispatcher workflow.

However, when I run the performer workflow, it finish in just a few minutes and when I click on the output log, it display the following message:
err7

I read through the posts by other forumers that it might be the out_TransfactionItem arguement in the Invoked_GetTransactionItem workflow is empty. When I check mine, it is empty, when I key in TransactionItem as the arguement value, it has an exclamation mark as TransactionItem is a Queue Item type. So, what should I put for the TransactionItem argument value?