After TIA v16, while we download the project to your Touch panel, you may see this error sometimes:
Download has failed due to missing panel image..
This error may be caused by , sometime you configure the Panel in Firmware V16 and Download it.
How to solve it:
Jump to this link:
Download the Image zip files that matched with your devices and project.
Here are the files inside the zip:
I am using V15.1 Upda4,
The image files are store in:
Paste and overwrite these files.
(please make a backup first)