Communication Error (500 Internal Server Error)

  • Resolved tsigorai

    (@tsigorai)


    4 years ago

    I just installed the XCloner plugin and ran a manual backup for the first time, but I am getting the below Communication Error (500 Internal Server Error):

    {"readyState":4,"responseText":"<p>There has been a critical error on this website.</p><p><a href=\"https://www.ads-software.com/support/article/debugging-in-wordpress/\">Learn more about debugging in WordPress.</a></p>","status":500,"statusText":"Internal Server Error"}

    The below are the last 5 lines of the Apache access.log:

    192.168.1.1 - - [28/Feb/2021:18:30:39 +0200] "POST /wordpress/wp-admin/admin-ajax.php?_wpnonce=ca89df76fc HTTP/1.1" 200 167
192.168.1.1 - - [28/Feb/2021:18:30:39 +0200] "POST /wordpress/wp-admin/admin-ajax.php?_wpnonce=ca89df76fc HTTP/1.1" 200 119
192.168.1.1 - - [28/Feb/2021:18:30:40 +0200] "POST /wordpress/wp-admin/admin-ajax.php?_wpnonce=ca89df76fc HTTP/1.1" 200 117
192.168.1.1 - - [28/Feb/2021:18:30:40 +0200] "POST /wordpress/wp-admin/admin-ajax.php?_wpnonce=ca89df76fc HTTP/1.1" 200 69
192.168.1.1 - - [28/Feb/2021:18:30:40 +0200] "POST /wordpress/wp-admin/admin-ajax.php?_wpnonce=ca89df76fc HTTP/1.1" 500 178

    The last line points to the HTTP 500 error which occurred when trying to send a POST request to admin-ajax.php. What could be the cause of this error?

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