*`Error: No option with the name 'lanechange.smooth-change' exists.`: Make SUMO is installed correctly and the SUMO_HOME variable is set to the path where SUMO is installed. If you don't want to use the continous lane change, delete the corresponding line from the *.cfg file.
[1] Moritz Klischat, Octav Dragoi, Mostafa Eissa, and Matthias Althoff, Coupling SUMO with a Motion Planning Framework for Automated Vehicles, SUMO 2019: Simulating Connected Urban Mobility