This Code is obsolete

The newer version is now available at https://github.com/DragonRailway/TrainControl_BLE

Loco_BLE_Remote

Control 3D printed Locomotives with your smartphone using BluetoothLE

If you want to use this version, use the 2.0.17 version of the ESP32 core in Arduino IDE.

The 3.0 has introduced breaking changes, which causes compilation errors