UnicodeEncodeError: 'latin-1' codec can't encode character '\u2013' in position 1151: Body ('–') is not valid Latin-1. Use body.encode('utf-8') if you want to send it encoded in UTF-8.
Example
ao:ProductQuantity 'text – more text; and more text' ;
We need more context to understand what is going on here. What were you doing when you encountered this error? Were you running a stardog or stardog-admin command? If so, can you please share the full command text? Or were you executing a query or adding data (or a VG) in Stardog Studio? Additionally, please include any error present in the stardog.log file on the server.