Ayuda/Help "referencia a objeto no establecida como instancia de un objeto"

Question

I uploaded many projects in November and all ok but today I tried to upload new documents and I keep getting an error message ("referencia a objeto no establecida como instancia de un objeto"; more details: "System.NullReferenceException, mscorlib, Version=4.0.0.0,Culture=neutral,PublicKeyToken=b77a5c561934e089). Any idea what that means? 
 
 Thank you 
 Gracias

Ana-Loredana Gabur · Answer

Hi Nadejzda Peche 
 Can you please advise if you have tried with a trados studio installation repair ? https://gateway.rws.com/csm?id=kb_article_view&sysparm_article=KB0039395 
 Best regards, 
 loredana

Trados Studio > 1. Trados Studio

Ayuda/Help "referencia a objeto no establecida como instancia de un objeto"