Fwd() moves gopigo Backwards

Although the motor(s) wiring is according to DEXTER schematics the fwd() command moves the Gopigo Backwards. Any Ideas why? Any Solutions?

Motors wiring images
https://www.dexterindustries.com/GoPiGo/getting-started-with-your-gopigo-raspberry-pi-robot-kit-2/1-assemble-the-gopigo-2/assemble-gopigo-raspberry-pi-robot/

First double and triple check that it’s correct. If it is then there are either two possibilities.
A: The instructions are wrong.
SOLUTION: Switch the wires on each motor.

B: The gopigo library is wrong.
SOLUTION: The library needs fixing.