SAP BAPI Element Name of container metadata unknown

Hello Communit,
How are you all?

I have created the project structure that follows

Sequence DataBase Creation the automation execute a Excel Application Scote and a ReadRange activite for all worksheet. To create this Excel data base, I have used the BAPI structure exported by the UiPath

And create some a sequence for Check Null values in DataTable and DataRow. The resolt of the automation is an error, that follows

image

Does someone have any tips? Did someone have the same issue?

Thanks