Hi Arndt, If you create the map with the --order-by-decreasing-areas I am not surprised. See http://gis.19327.n8.nabble.com/Tiles-pruned-in-DEM-map-tp5980028p5983783.htm... Gerd ________________________________________ Von: mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag von Arndt Röhrig <arndt@speichenkarte.de> Gesendet: Montag, 25. Januar 2021 13:36 An: Development list for mkgmap Betreff: [mkgmap-dev] r-4599 crashes Hello, r-4599 crashes after building all tiles. With the same input, r-4594 works well. Greets Arndt SCHWERWIEGEND (StyledConverter): .\Baustelle\Speiche_SuedOstEuropa_Splitter\88011011.osm.pbf: Attention: Tile contains both drive-on-left (32411) and drive-on-right roads (8084) SCHWERWIEGEND (MapFailedException): (thrown in BufferedImgFileWriter.ensureSize()) There is not enough room in a single garmin map for all the input data. The .osm file should be split into smaller pieces first. SCHWERWIEGEND (MapBuilder): exception while creating DEM file There is not enough room in a single garmin map for all the input data. The .osm file should be split into smaller pieces first. SCHWERWIEGEND (MapFailedException): (thrown in MapBuilder.buildDem()) DEM uk.me.parabola.imgfmt.MapFailedException: DEM at uk.me.parabola.mkgmap.build.MapBuilder.buildDem(MapBuilder.java:379) at uk.me.parabola.mkgmap.build.MapBuilder.makeMap(MapBuilder.java:346) at uk.me.parabola.mkgmap.combiners.OverviewBuilder.writeOverviewMap(OverviewBuilder.java:192) at uk.me.parabola.mkgmap.combiners.OverviewBuilder.onFinish(OverviewBuilder.java:105) at uk.me.parabola.mkgmap.main.Main.endOptions(Main.java:675) at uk.me.parabola.mkgmap.CommandArgsReader.readArgs(CommandArgsReader.java:125) at uk.me.parabola.mkgmap.main.Main.mainStart(Main.java:144) at uk.me.parabola.mkgmap.main.Main.main(Main.java:115)