This error could occur if the website or website path is structured unusually. To debug this error follow:
F12
> Console Tab).fetch('/wp-admin/admin-ajax.php?action=jgct_get_table_columns')
.then(response => response.json())
.then(data => console.log("DEBUG AJAX Response:", data));
The expected output should list an array, this shows that the plugin can access the database.
{
"success": true,
"data": [
{"_name": "Column Name 1", "_auto": "1"},
{"_name": "Column Name 2", "_auto": "0"},
{"_name": "Column Name 3", "_auto": "0"}
]
}
Next, perform these tasks:
F12
> Network > Fetch/XHR)./wp-admin/admin-ajax.php?action=jgct_get_table_columns
.Look at the Request URL, does it look correct for your website?
Also, look at the Status Code for more clues.
With this information please could you contact us so we can advise further, there is a small chance that a patch is needed to fix the error.