Read the statement by Michael Teeuw here.
"Feiertage" Kalender doesn't work
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 @sdetweil 2.18.0 
 just updated - but the problem is already since about 2 months…
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 Anyone here who can help me please…. 
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 @jagsi can u take the url from the calendar config and use it in a browser? this should download the ics file… who is the calendar provider? Google, Hotmail? we saw a problem w u handled expired certificates back in oct (2.17) and released 2.17.1 w the updated electron that fixed the problem 
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 may something went wrong when updating? You could do in the mm folder rm -f package-lock.json rm -rf node_modules npm install
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 @karsten13 puh I tried this now - since I tried this the mirror won’t start up :-( 
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 any idea what I can do?  
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 may this is an impact of another problem (https://www.bleepingcomputer.com/news/security/dev-corrupts-npm-libs-colors-and-faker-breaking-thousands-of-apps/) please edit the file package.jsonand change the line"colors": "^1.4.0",to"colors": "1.4.0",so remove only the^in this line.Then repeat the commands from my previous post. 
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 @sdetweil said in "Feiertage" Kalender doesn't work: who is the calendar provider? Google, Hotmail? https://www.ferienwiki.at/exports/feiertage/2022/at this is the link - it should work right? 
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 @karsten13 hey man you are great - I think it works thank you very much 

