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Custom field empty entry is resulting in 'Array'

  • I use an Gravity Forms form to update some custom post types. In this form i have some custom fields for meta data.

    • _pronamic_company_twitter
    • _pronamic_company_facebook
    • _pronamic_company_linkedin
    • _pronamic_company_google_plus

    We have checked the “Unique Custom Field? (?)” checkbox, but if we leave the fields empty it will store the string ‘Array’ in the meta data.

    WordPress: 3.5.2
    Gravity Forms: 1.7.6
    Gravity Forms – Update Post: 0.5.3

    http://wordpress.org/extend/plugins/gravity-forms-update-post/

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