When opening a downloaded copy of a published data source in Tableau Desktop 2018 or later, you may receive the error:
"error ####, ## element 'xxx' is not allowed for content model"
Additional details about the error message:
- This can also happen with published workbooks that are downloaded from Tableau Server.
- In the error, the first number refers to the line of the XML for the workbook or data source, the second number refers to the character in the line.
- The element name is the tag that is generating the error.