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In my Datamart, when attempting to 'Load Data', I receive the error "An internal error happened due to failed runtime assertion: Parameter 'transactionId' is not expected to be null' HttpStatusCode 500.
I'm guessing a null value is discovered in a table / query I'm transforming. None of my tables have 'transactionId' as a field. I can't for the life of me find which Table / Query where this is happening. Please help. image belowerror message
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This sounds more like an issue on the Datamart side (note the 500 error message). Do you get the same issue when you use a dataflow?
