Hello, @Oliver Theiß,
1- Alright, I have checked the issue as you describe now and still there is no issue it is working just fine please watch this complete video for a better reference to understand. Video link: https://streamable.com/4h8gyj
2- Your issue has been solved please check back to your site now after removing the browser cache, actually you set the plural of the text and I set it back as tags and it worked: https://postimg.cc/sM7xVyyJ
Regards 8Themes Team.
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