Support » Plugin: MailChimp List Subscribe Form » Warning Missing argument 3 and Site is slow

  • Site is running slow and giving out Warning Missing argument 3. As seen in other threads, I’m not the only one with this problem.

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  • Hey @jurecuhalev ,

    Thanks for your post. You are correct that this is an error message a few folks are running into. Our developers are aware of this problem and working towards a fix to push out as soon as possible, though in the meantime, one user has posted a code change that appears to be resolving the issue for most users. If you’d like to check out that workaround, it can be found here on the forums:

    If that workaround does not solve the issues you’re seeing, we can certainly take a closer look into things. If possible, could you provide the following details so we can take a closer look?

    – the PHP version running on the WordPress site
    – the theme being used for this site
    – the version of WordPress currently installed
    – a list of all active plugins running on the site when this error appears



    Thread Starter JureCuhalev


    Hi Malachite,

    that thread fixes the argument error. Thank you.

    Your plugin still makes the site load 10 seconds! As such it is still broken.


    Hey @jurecuhalev ,

    Glad to hear that initial error is now resolved. As for this long load time, I agree that’s far from ideal. Just to get some insight into what might be causing this, would you mind sharing a few details about the site itself? Specifically we’ll need the following:

    — What version of PHP is running on the site?
    — What theme is being used on the site?
    — What other plugins are actively installed on the site?
    — Does this slow-down persist when disabling all plugins except the List Subscribe plugin?

    Thanks in advance for this. We’ll keep an eye out for any replies.


Viewing 3 replies - 1 through 3 (of 3 total)
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