Hello,

It is always a good idea to look at the history of objects before editing them.

This changeset reintroduces a mistake we had just cleaned up some time ago.
https://www.openstreetmap.org/way/27838600/history

Let me explain.

If we declare a path as a footway (highway=footway), it will automatically get "yes" for pedestrians and "no" for everyone else (cyclists, horse riders, cars…).
Any (good) router is asked to adhere to this list of values.
https://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Access_restrictions#Belgium

You can create an exception when… there is an exception to the rule, e.g. if a footway is shared with cyclists, having "highway=footway" + "bicycle=yes" is fine.

But applying an exception to repeat the normal rule (i.e. "bicycle=no" on a footway) is just disturbing and a waste of time, for you and also for other mappers who endlessly have to come across the reports about the issue.  Should the problem come because you found one routing algorithm somewhere that incorrectly assumes footways are for cyclists, then the problem must be solved upstream and not by manually adding entries to OSM data.

Hope this helps.
Have a nice day.