Relation 3826847 (городской округ Джанкой) is dupe with 2865835 (Джанкойский городской совет) and conflicting on admin-level 6.
As such, and as it is совет and not округ I recommend to delete 3826847 as incorrect duplicate.

Relation 3826845 (городской округ Армянск, Armyansk Raion) is dupe with 2865940 (Армянский городской совет Armyansk Municipality). Conflict as both admin-level 6.
Recommend to delete 3826845 as not Raion (incorrect naming).

Relation 3507143 (Uľanka, wrong admin-level 9) does not compute.
Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Uľanka (9)
It's neither part of Eurostat LAU2 file (= SK OSM admin level 9) nor shows on https://osm.wno-edv-service.de/boundaries/
Possibly an admin-level 10? There it may be dupe with relation 2265288 = Uľanka, admin-level 10 as part of Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Uľanka (9), Banská Bystrica (9).
Thanks for removing relation 3507143 from admin-level 9 (sorry, I'm just a user, not a mapper)

Relation 3506327 (Skubín, wrong admin-level 9) does not compute.
Part of Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Banská Bystrica (9)
It's neither referenced in Eurostat LAU2 file (=SK OSM admin level 9), nor does it show in https://osm.wno-edv-service.de/boundaries/
Possibly an admin-level 10?
Please remove relation 3506327 from admin-level 9 (I'm just user, not mapper, sorry).

Relation 3507142 (Senica, wrong admin-level 9) does not compute.
Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Senica (9)

Neither part of Eurostat LAU2 file (SK OSM admin level 9), nor does it compute on https://osm.wno-edv-service.de/boundaries/

Maybe an admin-level 10?
May be dupe with 2265281 (Senica, admin-level 10) as part of Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Banská Bystrica (9), Senica (9)

Thanks for removing 3507142 from admin-level 9, I'm just a user, not a mapper :-]

Relation 3507025 (Sásová, wrong admin-level 9) does not compute

Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Banská Bystrica (9)

This is neither referenced in the Eurostat LAU2 file (SK OSM admin level 9), nor possible to view in https://osm.wno-edv-service.de/boundaries/

Possible dupe with 2265285 (Sásová, admin-level 10) at Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Sásová (9), Banská Bystrica (9)

Thanks for removing 3507025 from admin-level 9 (I can't, just a user, not a mapper).

Relation 3507144 (Šalková, wrong admin-level 9) does not compute.
Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Banská Bystrica (9)

Neither shows in the Eurostat LAU2 file (aka. SK OSM admin level 9), nor does it work on https://osm.wno-edv-service.de/boundaries/

Might be an admin level 10
Might be dupe with 2265293 (also Šalková, admin-level 10) in Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Šalková (9), Banská Bystrica (9)

Thanks for removing relation 3507144 from admin-level 9 (I'm just a user, not a mapper, sorry)

Relation 3507024 (Rudlová, wrong admin level 9) does not compute.

Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Rudlová (9)

Neither part of Eurostat LAU2 level file (aka. OSM admin level 9) nor possible to view in https://osm.wno-edv-service.de/boundaries/
Might be an admin-level 10?

Please remove from admin-level 9. I can't, I'm just a user, not a mapper. Thanks!

Relation 3506054 (Rakytovce, wrong admin-level 9) does not compute

Neither in the Eurostat LAU2 file, nor can be visualized in https://osm.wno-edv-service.de/boundaries/ Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Rakytovce (9)

Maybe an admin-level 10? Please remove from admin-level 9 (I can't, I'm just user, not a mapper)

Relation 3506255 (Radvaň, wrong admin-level 9) does not compute

Not in Eurostat LAU2 file, nor possible to visualize on https://osm.wno-edv-service.de/boundaries/

Possible dupe with 2265277 (admin-level 10) Slovakia (2), Central Slovakia (3), Region of Banská Bystrica (4), District of Banská Bystrica (8), Kráľová (9), Banská Bystrica (9)

Thanks for removing from admin-level 9 (can't do myself, am just user, no mapper)