Support » Plugin: NextGEN Gallery - WordPress Gallery Plugin » Error with NextGen Pro – Fatal error: Call to undefined method Mixin::initialize

  • I’m getting an error trying to use the pro features with NextGen Pro. I’m trying to use the PRO version of a thumbnail gallery and get this message:

    Fatal error: Call to undefined method Mixin::initialize() in /home/roddason/public_html/wp-content/plugins/nextgen-gallery-pro/modules/nextgen_pro_thumbnail_grid/adapter.nextgen_pro_thumbnail_grid_controller.php on line 7

    http://www.roddaandsons.com/photos/

    Has anyone seen this before? Any fixes? The basic thumbnail gallery works, just not any of the pro features. It installed without issue. If I change to FILM STRIP PRO the referenced error changes to:
    Fatal error: Call to undefined method Mixin::initialize() in /home/roddason/public_html/wp-content/plugins/nextgen-gallery-pro/modules/nextgen_pro_film/adapter.nextgen_pro_film_controller.php on line 7

    ALWAYS LINE 7. Any help is greatly appreciated.

    https://wordpress.org/plugins/nextgen-gallery/

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