• When using the Appearance Editor to edit my theme files, when I hit Update File, I get the error:

    Unable to communicate back with site to check for fatal errors, so the PHP change was reverted. You will need to upload your PHP file change by some other means, such as by using SFTP.

    Disabling all my add-ins and switching to Twenty Seventeen fixes the issue. Reactivating my theme (a Gravida Pro child) does not bring the problem back. By selectively reactivating plugins, I’ve isolated the issue to three plugins:
    Easy Modal
    miniOrange 2-Factor Authentication
    WP Business Intelligence
    Once I activate one of those, the theme editor fails again.

    I’ve read elsewhere on the WordPress.org forum that this is a known issue: under WordPress 4.9, plugins that call session_start() too often or in the wrong place can cause the editor to fail.

    I’ve posted on the forums for these plugins, but thought it would be useful to post in the general troubleshooting forum as well.

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

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  • Moderator t-p

    (@t-p)

    I’ve posted on the forums for these plugins,

    Please continue there. Thanks 🙂

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  • The topic ‘3 Specific Plugins Kill Theme Editor’ is closed to new replies.