Hey,
it seems you're creating gaps in existing bus routes when you're creating new ones. I'm not sure how this happens.
I see you're using JOSM, which in my experience is quite good for dealing with relations. I don't know if you get warnings from JOSM when you're editing routes. But if you do get warnings, then please take them seriously.
A number of bus routes have become broken in Ljubljana in the past few weeks. (which I'm currently fixing)
Anyways, great thing that you're contribution to completing the LPP network!