[[ https://goo.gl/xyyy4Z | List of WD objects ]] with more than one LIBRIS value WD Property 906
```
SELECT ?person (count (?LIBR) AS ?Nr) WHERE {
?person wdt:P906 ?LIBR.
} group by ?person having (?Nr > 1)
```
**Suggestion:** Problem that should be cleaned at LIBRIS and reported back to Wikidata
**Stopper** missing a well defined way of communicating problems like this to LIBRIS
=== See also ===
* [[ https://www.wikidata.org/wiki/Wikidata:Database_reports/Constraint_violations/P906 | wiki/Wikidata:Database_reports/Constraint_violations/P906 ]]
** report based on the constraints set up for P906 see [[ https://www.wikidata.org/wiki/Property:P906#P2302 | Property:P906#P2302 ]]
* {T202530}
* mentioned this problem at LIBRIS [[ https://kundo.se/org/librisxl/d/nagra-reflexioner-samt-en-fraga/#c3025660 | kundo.se/org/librisxl/d ]]