Regenerate the archive pages by going to the Topic Links 2.2 settings and clicking on "Regenerate Archive Pages."
Test the archive feature with other plugins disabled to check for conflicts. If the issue resolves, then it is likely that another plugin is causing the conflict. Topic Links 2.2 Archive Fix
Check the permalink structure of the website to ensure that it is set correctly. Go to Settings > Permalinks and ensure that the permalink structure is set to "Post name" or "Custom structure." Regenerate the archive pages by going to the Topic Links 2