Hello.
Please note that incline=up/down is an invalid tag value. It should be either up OR down relevant to the direction in which the way was drawn (you can tell the direction by the small triangular arrow in the middle of the way).
Additionally, this path should be connected to the rest of the pedestrian network in the area, otherwise navigation routers won't be able to use it.
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            Published using OSMCha: https://osmcha.org/changesets/165296589
            