Hi all, With mkgmap-housenumbers2-r3459 and BANO (https://github.com/PacoTyson/bano2garmin/). I got this in the STOUT : java.lang.AssertionError: internal error id=67924872, Rue Étienne Clementel (n1),E,24,22,N,0,0 [24(0), 22(1)] [] at uk.me.parabola.mkgmap.osmstyle.housenumber.ExtNumbers.verify(ExtNumbers.java:341) at uk.me.parabola.mkgmap.osmstyle.housenumber.ExtNumbers.getNumbers(ExtNumbers.java:99) at uk.me.parabola.mkgmap.osmstyle.housenumber.ExtNumbers.dupNode(ExtNumbers.java:593) at uk.me.parabola.mkgmap.osmstyle.housenumber.ExtNumbers.tryAddNumberNode(ExtNumbers.java:470) at uk.me.parabola.mkgmap.osmstyle.housenumber.ExtNumbers.checkChainPlausibility(ExtNumbers.java:850) at uk.me.parabola.mkgmap.osmstyle.housenumber.ExtNumbers.checkChainPlausibility(ExtNumbers.java:855) at uk.me.parabola.mkgmap.osmstyle.housenumber.HousenumberRoad.checkIntervals(HousenumberRoad.java:152) at uk.me.parabola.mkgmap.osmstyle.housenumber.HousenumberGenerator.buildNumberIntervals(HousenumberGenerator.java:833) at uk.me.parabola.mkgmap.osmstyle.housenumber.HousenumberGenerator.assignHouseNumbersToRoads(HousenumberGenerator.java:654) at uk.me.parabola.mkgmap.osmstyle.housenumber.HousenumberGenerator.matchCluster(HousenumberGenerator.java:539) at uk.me.parabola.mkgmap.osmstyle.housenumber.HousenumberGenerator.generate(HousenumberGenerator.java:486) at uk.me.parabola.mkgmap.osmstyle.StyledConverter.end(StyledConverter.java:595) at uk.me.parabola.mkgmap.reader.osm.ElementSaver.convert(ElementSaver.java:250) at uk.me.parabola.mkgmap.reader.osm.bin.OsmBinMapDataSource.load(OsmBinMapDataSource.java:67) at uk.me.parabola.mkgmap.reader.osm.OsmMapDataSource.load(OsmMapDataSource.java:130) 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:253) at uk.me.parabola.mkgmap.main.Main$1.call(Main.java:249) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) And in the logfile : 2015/02/17 09:41:08 GRAVE (ExtNumbers): 20630009.osm.pbf: internal error, house too far from forced segment in road id=67924872, Rue Étienne Clementel 24(0) http://www.openstreetmap.org/node/-19806613 mkgmap options : --max-jobs --latin1 --area-name=$COUNTRY \ --bounds=../bounds.zip \ --route \ --index --tdbfile --housenumbers \ --x-split-name-index \ --location-autofill=is_in,nearest \ --name-tag-list=name:fr,int_name,name \ --adjust-turn-headings \ --process-destination --process-exits \ --x-add-indirect-links \ --verbose \ --style-file="$WORKDIR/styles/$STYLE/" \ --list-styles --check-styles \ --family-name="$COUNTRY OSM $STYLE" \ --series-name="$COUNTRY-OSM-$STYLE" \ --mapname=$MAPNAME \ --overview-mapnumber=$MAPNAME \ --reduce-point-density=4 --reduce-point-density-polygon=8 \ --polygon-size-limits="24:12, 18:10, 16:8, 14:4, 12:2, 11:0" \ --preserve-element-order \ --add-pois-to-lines \ --add-pois-to-areas \ --report-similar-arcs \ --link-pois-to-ways \ --min-size-polygon \ --drive-on=detect --check-roundabouts --check-roundabout-flares \ --make-opposite-cycleways \ --country-name="$COUNTRY" --country-abbr="$ABBR" \ --precomp-sea="$WORKDIR/sea.zip" --generate-sea=multipolygon \ -c "mkgmap-$STYLE-$COUNTRY.cfg" \ --description="$COUNTRY OSM $STYLE" $ID*.pbf \ "$WORKDIR/styles/$STYLE/$STYLE.TYP" 2>&1 | tee "$COUNTRY.log" http://files.mkgmap.org.uk/download/252/20630009.osm.pbf Steph