I'm running a network of about 80 sites using WP multisite 3.2. I'm experiencing irregularities using switch_to_blog whith wp_insert_term.
To test this I have disabled all plugins, and am testing on a blank page so nothing else interferes. This is the sample code:
switch_to_blog(75); wp_insert_term( 'New Term','category'); restore_current_blog();
When run from most blogs it adds the new term to the desired blog and the permalink to the new term page works.
But for a few of the blogs, when it runs it adds the term, but the link to the new term page throws a 404 error. Opening wp-admin and adding any new term through wp-admin fixes it.
Any ideas why this is happening?