JDY-16 BLE Controlling LAFVIN 4WD Smart Robot Car Kit V2 for Arduino Robot STEM /Graphical Programming Robot Car

Hi I am new to this can someone help me? I've been watching tutorial videos and also read some post can you check this?
This is the code for arduino
https://pastecode.io/s/5b40ptwu
I can say the code is working I just need to make a new application for the build
I am getting Runtime Error

Service 0000dfb0-0000-1000-8000-00805f9b34fb, characteristic 0000dfb0-0000-1000-8000-00805f9b34fb are not published by the connected device.
Note: You will not see another error reported for 5 seconds.