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I need your help to resolve 1 Issue in Wordpress admin page. I'm using WP 3.7.1 and twentytwelve template. I have some posts and pages. Currently, when I click Filter or Apply button in Post/Page list, it always shows the error "Invalid Post Type" and the URL looks like this .

post_type=&_wpnonce=54fb54b00f&_wp_http_referer=%2Fwp-admin%2Fedit.php&action=-1&m=0&cat=0&paged=1&mode=list&action2=-1

I tried to active another template and it works fine!

Please help me to understand and fix this issue!!! Thank you!!

closed as off-topic by cjbj, Dave Romsey, Howdy_McGee Oct 10 '16 at 22:14

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions that are too localized (such as syntax errors, code with restricted access, hacked sites, hosting or support issues) are not in scope. See how do I ask a good question?" – cjbj, Dave Romsey, Howdy_McGee
If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    Try disabling all plugins, reactivating the theme, and trying again. See if it works as expected. My guess is a plugin/theme conflict. – Michael Ecklund Dec 10 '13 at 17:02
  • Thank for answering, but it may not solution, I deactivate all, but not effective :( – Toan Tran Van Dec 10 '13 at 17:32

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