Hi upinthehills,
can you please check your edits for overlapping cycleways:

https://tools.geofabrik.de/osmi/?view=routing&lon=0.57918&lat=45.54753&zoom=14&baselayer=Geofabrik%20Standard&opacity=0.80&overlays=duplicated_edges%2Cduplicated_edges%2Cduplicated_edges_areas%2Cunconnected_open_ends_1

https://overpass-api.de/achavi/?changeset=145849423

Those ways here are on top of each other:

https://www.openstreetmap.org/way/1229848297/history

https://www.openstreetmap.org/way/419990906/history

An please watch out for the warnings your editor shows you.
Kind regards
Guido