Hi again If I let mkgmap only create index, I got the following exception: Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 44120, Size: 361 at java.util.ArrayList.rangeCheck(Unknown Source) at java.util.ArrayList.get(Unknown Source) at uk.me.parabola.imgfmt.app.net.NETFileReader.fetchZipCity(NETFileReader.java:145) at uk.me.parabola.imgfmt.app.net.NETFileReader.getRoads(NETFileReader.java:115) at uk.me.parabola.imgfmt.app.map.MapReader.getRoads(MapReader.java:180) at uk.me.parabola.mkgmap.combiners.MdrBuilder.addStreets(MdrBuilder.java:300) at uk.me.parabola.mkgmap.combiners.MdrBuilder.onMapEnd(MdrBuilder.java:171) at uk.me.parabola.mkgmap.main.Main.endOptions(Main.java:431) at uk.me.parabola.mkgmap.CommandArgsReader.readArgs(CommandArgsReader.java:126) at uk.me.parabola.mkgmap.main.Main.main(Main.java:132) parameters: mkgmap.jar --max-jobs=1 --tdbfile --code-page=%codepage% --index --mapname=%id%000000 --overview-mapname=%id%000000 --family-name="RRK %name%" --series-name="RRK %name% %heute%" --description=RadReiseKarte --family-id=%id%00 --product-id=1 --output-dir=maps\%name% --gmapsupp TYP\%id%000000.typ maps\Germany\%id%*.img Henning