Happens on France - seems to be somehow style dependant as it doesn't happen on 1 out of my 2 styles, not sure about default style. Any ideas? java.lang.AssertionError: boundary bbox doesn't fit into quadtree java.awt.Rectangle[x=250000,y=2050000,width=50000,height=50000] java.awt.geom.Rectangle2D$Double[x=249999.99999999997,y=2073898.7167311574,w=2.9103830456733704E-11,h=2.3283064365386963 E-10] at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryQuadTree$Node.add(BoundaryQuadTree.java:603) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryQuadTree$Node.access$900(BoundaryQuadTree.java:392) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryQuadTree.readStreamQuadTreeFormat(BoundaryQuadTree.java:357) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryQuadTree.<init>(BoundaryQuadTree.java:109) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryUtil.loadQuadTreeFromStream(BoundaryUtil.java:474) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryUtil.loadQuadTrees(BoundaryUtil.java:174) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryGrid.init(BoundaryGrid.java:103) at uk.me.parabola.mkgmap.reader.osm.boundary.BoundaryGrid.<init>(BoundaryGrid.java:66) at uk.me.parabola.mkgmap.reader.osm.LocationHook.end(LocationHook.java:98) at uk.me.parabola.mkgmap.reader.osm.OsmReadingHooksChain.end(OsmReadingHooksChain.java:79) at uk.me.parabola.mkgmap.reader.osm.bin.OsmBinMapDataSource.load(OsmBinMapDataSource.java:63) at uk.me.parabola.mkgmap.reader.osm.OsmMapDataSource.load(OsmMapDataSource.java:127) at uk.me.parabola.mkgmap.main.MapMaker.loadFromFile(MapMaker.java:167) at uk.me.parabola.mkgmap.main.MapMaker.makeMap(MapMaker.java:63) at uk.me.parabola.mkgmap.main.Main$1.call(Main.java:220) at uk.me.parabola.mkgmap.main.Main$1.call(Main.java:216) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) -- keep on biking and discovering new trails Felix openmtbmap.org & www.velomap.org