Hi, Experts
I found some issue of sapui5 when using device with touch screen.
But there're some issue that I found on my surface when I tried save to target mapping.
The issue is when i save the target mapping there's nothing happened at the first time then I tried to input value again then save and error will occurs "Cannot read property 'length' of undefined"
*I tried another browser including Firefox , IE , Chrome , Opera but results are the same.
*I tested on another device with touchscreen but there is no problem like this.
*I also disable touch screen in device manager but issue still occurs.
I'am not sure this problem cause of my surface or it's bug.
Best Regards,


