Everything used to work perfectly on my site, but now when I try to upload an image, I get a popup that simply says "error" on it. I have attached a screenshot.
You can view the problem on this page:
Any help would be greatly appreciated as I am unable to make sales until this is fixed.
I can provide my purchase code if needed.
This is a server issue that needs to be solved with your host.
Did Your problem resolved??
If Yes then can you please share the solution?
It depends on the server you are using. There is no general "fix" for that.