Warning: Undefined array key

  • While designing a page with elementor, I am seeing an error with one of the elements. I don’t know how can I resolve this one. I have tried adding the column numbers for each device but I still see this error.

    “Warning: Undefined array key “columns_mobile” in /Users/aveendoshi/Local Sites/unikmetal/app/public/wp-content/plugins/bdthemes-element-pack/modules/advanced-image-gallery/widgets/advanced-image-gallery.php on line 1862″

    And

    “Warning: Undefined array key “columns_tablet” in /Users/aveendoshi/Local Sites/unikmetal/app/public/wp-content/plugins/bdthemes-element-pack/modules/advanced-image-gallery/widgets/advanced-image-gallery.php on line 1863″

    What does this mean and how can I resolve it?

    The page I need help with: [log in to see the link]

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