Aneu a https://www.wikidata.org/wiki/Wikidata:Project_chat#Problems_with_adding_sitelinks i veureu que hi han errors, el problema meu molt greu és que al prèmer "publicar" ha esborrat totes les entrades vegeu el que he entrat:
Wikidata element Q1543091
The software has eliminated 10 entries (in https://www.wikidata.org/wiki/Q1543091) without intention from my part, could someone return it to its primitive status, and just add the catalan entry (Vidre opalí) and the italian entry (Vetro opalino)?
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