PHP Deprecated (Failed Ajax request or invalid JSON returned.) (OJS-3.4.0.5)

[OJS_Darryl]

@cager ;

Thanks for the response;

Here is the result in the DevTool:
Console:

Network:

Maybe it’s an issue outside ojs. have you checked the network inspector in the browser?

There seems to be a problem. After enabling website security on the website, an error message started appearing.

Best Regards,