Error Message: You have indicated that field labeled X in your content should contain boolean data. The value "ABC" in record Y does not match the standard format for boolean (true or false). Please ensure all values in this field are the correct data type and try again.
Reason for Error: The column is set to a data type of Boolean, but there is an invalid value in the column (i.e. anything other than TRUE or FALSE).
Resolution: Find and correct the cell that contains a value other than TRUE or FALSE. Retransform the feed.