I am having this problem…makes me and the site look bad….
I’ve deactived and re-activated…still same 404 Error when someone clicks on “RELATED” under the posts.
When i go into the Jetpack settings and click on “Related Posts” section, i get an error
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘vaultpress_jetpack_more_info_connected’ not found or invalid function name in …. line 470
