Index: resources/data/validator/ignoretags.cfg
===================================================================
--- resources/data/validator/ignoretags.cfg	(revision 18102)
+++ resources/data/validator/ignoretags.cfg	(working copy)
@@ -702,6 +702,7 @@
 E:building:roof:shape
 K:landuse=school
 E:role
+E:levels
 ;
 ; Tags not yet decided (to remove from this section when added or moved up when deprecated) 
 ; see josm tickets: 17770 15309 15774 16315 16658 16793 19982