Photo upload problem

Hello, I am using your plugin. It’s a great plugin. But there is a problem, let’s say I made the help page look like a subdomain (help.example.com). When the user submits a photo using the help form here, the following problem occurs and the photo cannot be uploaded.

Here is the problem: The server cannot process the image. This can happen if the server is busy or does not have enough resources to complete the task. Uploading a smaller image might help. the recommended maximum size is 2560 pixels.

I copied the wp-content file to the subdomain folder, it still didn’t work, the same problem occurs even when sending small size photos. I increased the photo upload size but it still didn’t work, I’m facing the same problem.

How can I fix this? I will be glad if you help.