Fix 404 errors from tags with spaces

Question

I have some tags from users that include spaces and clicking them gives a 404 error.

work%20space

Gives a 404.

How to fix them?

Comments

Will it be related to this?
https://question2answer.org/qa/109818/problem-with-issue-with-users-having-space-in-their-username?show=109818#q109818

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It seems related and the suggested htaccess there fixed it.

Thank you for pointing it out.