Sorry - An error occured in the communication with Sketchucation
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 Hello, I have a huge issue with my extensions now that my licenses cannot be activated. I purchased the licenses and am now using SketchUp 2024 for the extensions. The licenses and extensions are completely installed in SketchUp, but when I tried to activate the licenses, it told me, "Sorry, an error occurred in the communication with Sketchucation." All 8 extensions showed me this error message. May someone tell me how I should deal with it? 
 Thank you.Best, 
 Yarun
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 @Yarun Please whitelist *.sketchucation.com on your network Could be your firewall or antivirus that is blocking or a strict network setting 
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 Hello, 
 I have the same problem. I bought 4 licenses for my Sketchup 2021 Pro and they worked on the first seat. Now, when I try to use them on the second seat, it says "Sorry, an error occurred in the communication with Sketchucation".
 I have turned off the Antivirus for Windows and still does not work. I have updated the Sketchucation Tools to the latest version and still does not work.
 What should I try?
  
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 @tudorstanila You could change to a less strict network. The error itself is telling you that there is something client side stopping the activation. It could one of many possible scenarios - firewall, anti-virus, network policy 
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 @Rich-O-Brien 
 Hello,Thank you for the reply. 
 I don't know how to whitelist it, as I didn't find ".sketchucation.com" on my computer. Would you please tell me how it works?
 Thank you.Best, 
 Yarun
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 It's a Firewall setting in your computer's security settings [or Network security settings, or your AntiVirus tool settings] 
 *sketchucation.com* should be set in the whitelisting...
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 R Rich O Brien has marked this topic as solved on R Rich O Brien has marked this topic as solved on
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