We are using a WP multisite install.

3 subsites use the same theme, using a custom taxonomy which is defined inside the theme code.

The issue we have is that the archive page for this custom taxonomy does work on 1 subsite but not on 2 others.

Our question:

  • Is it possible that the permalink structure causes this although all 3 sites use different domain names?
  • In case the above can't be the problem does anyone have suggestions on possible causes of this issue? Or suggestions on where and how to start debugging?
  • Have you flushed rewrite rules on all sites after activating the theme? – Krzysiek Dróżdż Jun 22 '15 at 14:57
  • Good point...i did try to flush by changing permalink structure but not sure if this is sufficient. Will look into that today – sc11423 Jun 23 '15 at 8:04
  • It should be sufficient, but you have to do this on every single site/blog in your network. – Krzysiek Dróżdż Jun 23 '15 at 10:43


This is issue was solved by correctly flushing rewrite rules:

global $wp_rewrite;
$wp_rewrite->init(); //important...
  • You don't do this flushing on every page view, I hope... – Krzysiek Dróżdż Jun 23 '15 at 10:44
  • No, just a one time script I executed – sc11423 Jun 23 '15 at 10:48
  • OK, so everything's fine :) – Krzysiek Dróżdż Jun 23 '15 at 11:52

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