Support » Plugin: Caldera Forms - More Than Contact Forms » Error message before building first form

  • Resolved b2marketing


    Great plugin! The best form builder out there.

    I got this error when I was about to create the first form after installing the plugin. Latest version of the plugin and latest WP.

    Warning: array_merge(): Argument #2 is not an array in /wp-content/plugins/caldera-forms/classes/admin.php on line 1850


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  • Plugin Contributor christiechirinos


    Hi b2marketing,

    Thanks for using Caldera Forms. We think it’s the best form builder out there too – but we’re a little biased. 🙂

    I think the first thing I might try would be manually uninstalling the plugin by deleting the caldera-forms folder under wp-content/plugins, and then reinstalling the plugin.

    If this doesn’t work, we might want to look at your debug information closer to see if we can figure out a plugin or theme conflict that might be causing this. Just so you know, the channel to send that information in and get support from us directly is at Through that form, someone from our team will follow up about this issue within 1 business day.

    Please note that to use our support form, you must have an active license for any Caldera Forms add-on ( or a support license (

    Sorry about the hassle. Hopefully the simple solution does the trick, but if not, we’ll be happy to take care of you via the support channel, and thanks for understanding that this is separate channel allows us to ensure that we are able to continue to develop great products for you.

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