As seen from your screenshot, the report uses inner data item (Table item) to show the data. The report is supplied with the whole set of data while the report is opened as trdp/trdx in the Standalone Report Designer, but failing with missing fields in Visual Studio Report Designer.
We perform tests, but we couldn't reproduce the issue on our local. Our assumption is that there might be some code-behind logic of the report definition that is failing. So, we would appreciate if you open new support ticket and send us the report definitions for further investigation.
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