Tag Link Path

Hi
I am using tags in the News Bog.
For each post, I assign the year of the posting as Category and the project it is associated with as Tag.
When clicking on the tag in front view, I get a 404 error.

I assume I am not using this option correctly - but I assumed that by clicking the tag, it would load a page that displays other posts with matching Tag?
Is this not is the purpose of displaying tags in front end view?
You can see page here:
http://tmc.pgadvdesign.com/2022-press-releases/transition-metals-options-the-pike-warden-high-grade-au-ag-cu-property-yukon
Thank you

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