Appointments+ creates HTTP ERROR 500

Hello! Today suddenly Appointments+ plugin started to create this error. I turn of the plugin and the site is up again. What could be the problem/solution. This is a very essential part for my business and i need to fix it very quickly!

  • Denitsa

    Hello Aleksi,
    I hope you're doing good and thanks for reaching us!

    The 500 error is easily the most common one and sadly the one that gives the least info about the issue itself.

    Where are you getting this error?

    Now, there are a few things you could do in order to troubleshoot this further:

    1) Perform a basic theme/plugin test. Please follow all the steps described on the flowchart in this article (you may need to scroll the page down a little) to fo so:
    https://premium.wpmudev.org/manuals/using-wpmu-dev/getting-support/

    2) It could also be an issue of memory limit and maximum execution time, so please try to increase these. You can use the following as a guide on how to do that:
    https://premium.wpmudev.org/blog/increase-memory-limit/

    3) If these have no result, could you please access your server through FTP, edit the wp-config.php file, find a line like
    define('WP_DEBUG', false);

    and replace it with the following (if the above line doesn’t exist, simply insert next snippet just above the /* That's all, stop editing! Happy blogging. */ comment)

    // Enable WP_DEBUG mode
    define('WP_DEBUG', true);
    // Enable Debug logging to the /wp-content/debug.log file
    define('WP_DEBUG_LOG', true);
    // Disable display of errors and warnings
    define('WP_DEBUG_DISPLAY', false);
    @ini_set('display_errors', 0);

    This will generate a debug log and hopefully its content could give us a clue about the error. The log will be saved to a debug.log file inside the "/wp-content" folder. Please save the file as a .txt and attach it to your next post.

    Finally, if all else fails, can you please grant support access from the dashboard plugin so we can take a closer look?
    This could be done via Dashboard - WPMU DEV -> Support -> Support Access -> Grant Access or by following this guide here:
    https://premium.wpmudev.org/manuals/wpmu-dev-dashboard-enabling-staff-login/

    Here's a detailed article on the 500 error in WP:
    https://premium.wpmudev.org/blog/500-internal-server-error/

    I hope this information has been helpful. If I can help you in this or other questions, please let me know!

    Regards,
    Denitsa

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