Have you checked these first?
Help us help you: include your environment details. We've made this easy for you. Use the Copy System Info button in Admin Panel › osAwesome › Diagnostics, then paste below.
Note: Never paste the contents of your ost-config.php file here; it holds your database credentials.
Two quick checks before posting: try clearing your browser cache, and press SHIFT+O on any Staff Panel page to enter Safe Mode (a stock osTicket with no enhancements). If the problem still shows in Safe Mode, it's in osTicket itself, not osTicket Awesome. But let us know about the issue either way.
Help us help you: include your environment details. We've made this easy for you. Use the Copy System Info button in Admin Panel › osAwesome › Diagnostics, then paste below.
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OsTicket 1.11 - Awesone 11.1
The user who opens the ticket and attaches a file is not attached to the ticket. The configuration is admin is ok and the system shows no errors, send the ticket but without attachment.<br /> Instead if the operator attaches the file, this works.<br /> The problem is with all browsers of any size. Even from the attached smartphone it is not sent.
If you want I have a clean test of osTicket 1.11 and a test of Awesone 1.11
Help please, thanks
Sorry, nobody has this problem? I can't use the template like this.
Help please.

Same issue here.
I am on php7.0
Hi guys,
To fix this issue, please edit /open.php and replace its contents with the code on this page.
Or wait for the next release (osTicket-Awesome-1.11-v1.1), which should be available by the end of April.
Hi Stevland,
I have replaced the contents of the open.php file but the attachment that the user loads does not arrive in the admin panel. Help please
To anyone who is having this issue: please upgrade to the latest release (osTicket-1.12-Awesome-101).
@Absolute has confirmed in a different thread that this issue is now fixed.