[Hummingbird] Humming bird throwing erros

Why is Hummingbird throwing this error, multiple times every day:

[Mon May 14 05:49:05.241875 2018] [:error] [pid 10043] [client] PHP Warning: copy(/nas/content/live/treasurehealth/wp-content/advanced-cache.php): failed to open stream: Permission denied in /nas/content/live/treasurehealth/wp-content/plugins/wp-hummingbird/core/modules/class-module-page-cache.php on line 193, referer: https://treasurehealth.org/wp-cron.php?doing_wp_cron=1526276944.2397849559783935546875


  • Adam Czajczyk

    Hello Michael

    I hope you're well today and thank you for your question!

    The code to which the error points seems to be related to Hummingbird attempting to add "advanced-cache.php" file to the /wp-content folder. The message means it's not able to do this and this is usually caused by the fact that this file either already exists there or that the folder is not writeable.

    Do you have any other caching plugins installed and enabled on site? If yes, please try disabling and removing them (there shouldn't be more than one page-caching active at the same time anyway).

    If not, could you please access the server and see if there is already an "advanced-cache.php" file in "/wp-content" folder? If yes, please do as follows:

    - go to Hummingbird -> Caching -> Page Caching" and disable Page Caching
    - remove the "advanced-cache.php" file from "wp-content" folder
    - go to Hummingbird -> Caching -> Page Caching" and enable Page Caching again

    Let me know if that helped, please.

    Kind regards,

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