wp smush it pro can not be activated due to a fatal error

Hi, when trying to activate it we get the following message:


do you know how we can solve this?


  • Sajid

    Hi @info4719,

    Hope you are doing good today :slight_smile:

    Its because you have installed the free version of WP Smush as well. Please delete the free version first and then install the pro version again.

    Here are exact steps to be taken before upgrading from free to pro.

    1. Deactivate WP Smush plugin.

    2. Delete it completely from your website.

    3. Then download the fresh copy of the plugin from this URL.

    4. Now install and activate.

    However, its recommended to use our WPMU DEV Dashboard plugin for one click upgrade of the plugin. It will also ensure that you would not download and install the free version accidentally from WordPress.org. See more details here.

    Hope that helps! Feel free to post a reply if you need further assistance :slight_smile:
    Cheers, Sajid

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