Ninebot Max Error Code 35

"Default Vehicle Serial Number(S/N), Please replace the Master Control Board"
Read below if your Ninebot Max G30 or G2 is beeping or has a red wrench icon and flashes this code.
If you clicked the wrong error code, return to the Max G30 and G2 Error Code Index.
Previous Error Code: Ninebot Max Error Code 34 - Next Error Code: Ninebot Max Error Code 36
Cause
This error is caused by the ESC having the default serial number of N4GEA1601C0001.
This can happen for any number of reasons but usually happens when flashing a firmware file with the serial number included.
Fix
To fix it, change the serial number to a different one using a third party app such as Scooterhacking Utility.
To do that, you can follow the guide at Ninebot Max Change Serial number.