Title: [Taxonomy Filter] Unresolved Topics | WordPress.org

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# [Taxonomy Filter] Unresolved Topics

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [Warning: Undefined property: stdClass::$hidden](https://wordpress.org/support/topic/warning-undefined-property-stdclasshidden/)
    -  Started by: [tbrmilesson](https://wordpress.org/support/users/tbrmilesson/)
    - 2
    - 2
    -  [2 years, 1 month ago](https://wordpress.org/support/topic/warning-undefined-property-stdclasshidden/#post-17698902)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *  -  [Collapse / Expanse in admin Add/Edit Taxonomy](https://wordpress.org/support/topic/collapse-expanse-in-admin-add-edit-taxonomy/)
    -  Started by: [datverse](https://wordpress.org/support/users/datverse/)
    - 2
    - 1
    -  [2 years, 3 months ago](https://wordpress.org/support/topic/collapse-expanse-in-admin-add-edit-taxonomy/#post-17472859)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *  -  [Admin CSS hide contact](https://wordpress.org/support/topic/admin-css-hide-contact/)
    -  Started by: [Jaso](https://wordpress.org/support/users/subwebsites/)
    - 2
    - 5
    -  [3 years, 6 months ago](https://wordpress.org/support/topic/admin-css-hide-contact/#post-16236327)
    -  [Jaso](https://wordpress.org/support/users/subwebsites/)
 *  -  [Invalid Header when Activate](https://wordpress.org/support/topic/invalid-header-when-activate/)
    -  Started by: [Jaso](https://wordpress.org/support/users/subwebsites/)
    - 2
    - 1
    -  [3 years, 11 months ago](https://wordpress.org/support/topic/invalid-header-when-activate/#post-15777906)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *  -  [Check box turns into non-clickable arrow box??](https://wordpress.org/support/topic/check-box-turns-into-non-clickable-arrow-box/)
    -  Started by: [rrvoigt](https://wordpress.org/support/users/rrvoigt/)
    - 2
    - 4
    -  [4 years, 8 months ago](https://wordpress.org/support/topic/check-box-turns-into-non-clickable-arrow-box/#post-14889442)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *  -  [“The plugin does not have a valid header” error message](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-error-message/)
    -  Started by: [julian_wave](https://wordpress.org/support/users/julian_wave/)
    - 2
    - 2
    -  [5 years, 9 months ago](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-error-message/#post-13404054)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *  -  [Deactivating & Reactivating Plugin](https://wordpress.org/support/topic/deactivating-reactivating-plugin/)
    -  Started by: [Jaso](https://wordpress.org/support/users/subwebsites/)
    - 2
    - 1
    -  [5 years, 9 months ago](https://wordpress.org/support/topic/deactivating-reactivating-plugin/#post-13402309)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *  -  [Doesn’t display grandchildren](https://wordpress.org/support/topic/doesnt-display-grandchildren/)
    -  Started by: [davekuhar](https://wordpress.org/support/users/davekuhar/)
    - 2
    - 2
    -  [6 years, 10 months ago](https://wordpress.org/support/topic/doesnt-display-grandchildren/#post-11761309)
    -  [davekuhar](https://wordpress.org/support/users/davekuhar/)
 *  -  [Issue – Empty Hidden Option is not an Object](https://wordpress.org/support/topic/issue-empty-hidden-option-is-not-an-object/)
    -  Started by: [florentmerlat](https://wordpress.org/support/users/florentmerlat/)
    - 2
    - 1
    -  [7 years, 9 months ago](https://wordpress.org/support/topic/issue-empty-hidden-option-is-not-an-object/#post-10621042)
    -  [Andrea Landonio](https://wordpress.org/support/users/lando1982/)
 *   

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