Hi Rivvr,
Thank you for your contributions to OpenStreetMap!
You added tag layer=-1 to these segments:
way 1431680006, way 1431824453, way 252880756,
way 1431676016, way 1431676010, way 150215606, way 1431676008,
node 13159589775, node 13159589749, node 13159589796, way 150215606, way 1431670199, way 1431670200, way 1431670176,
way 1431694008, way 1431693989.
This is an incorrect modification. You should address the issues in accordance with OSM policies. Here is the link:
https://wiki.openstreetmap.org/wiki/JOSM/Validator
Best regards,
Aya Samir