Is the loading animation missing when your Clients open a ticket, or your Staff, or both?

I think the HTML code for the Staff side loading animation appears in \include\staff\footer.php, line 18.

At this moment I have no idea about the Client side.

I do recall this being a tricky function to manipulate. I think it may also rely on a JQurey dependency.

I'm sorry I cannot be more help at this time.

It does not look like it is in the HTML. There is no loading pop-up that displays. I am attaching links to 2 links that show this.

1.This is in your demo system:

https://gfycat.com/DimZigzagIbis

2.This is in our system. I clicked the button 3 times and it created 3 tickets:

https://gfycat.com/RealValidAsianwaterbuffalo

I have had this same issue it would nice if could have a "loading please wait" box. 

The standard osticket has this, I think that by changing other things, it might have removed it. 

I am noticing that the "Please Wait" prompt when logging in is not displaying at all either.