BAQ Reports: Add Other BAQs

To my main report, I added a subreport. that the information is obtained from a baq. I added it to the RDD.
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But in SSRS it is giving me the following error
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This is how I configure the dataset in SSRS

The main report is configured like this

Did you setup Parameters in your main and sub reports so they could communicate? The main report sends the Parameters to the Sub.

the parameter is the tableguid only