Hi Steve, I downloaded new precompiled bounds & sea from: http://osm.thkukuk.de/data/ Unfortunately, when I try to split my europe map, I got this error: c:\DATA\SHARED\OSM>perl script\genGarminMap.pl -s Detected OS: Windows Selected map is: ce (poly file C:\DATA\SHARED\OSM\pbf\central_europe.poly) Split OSM -ce- Europe map. java -Xmx3072M -jar C:\DATA\SHARED\OSM\splitter-r318\splitter.jar --status- freq= 60 --output-dir=C:\DATA\SHARED\OSM\osmSplit --keep-complete --overlap=0 -- bounda ry-tags=use-exclude-list --polygon-file=C:\DATA\SHARED\OSM\pbf\central_europe. po ly --precomp-sea=C:\DATA\SHARED\OSM\osmData\sea_20140306.zip --max-areas=3072 -- max-nodes=1200000 --geonames-file=C:\DATA\SHARED\OSM\osmData\cities5000.zip -- ou tput=o5m C:\DATA\SHARED\OSM\pbf\europe.ce.o5m Exception in thread "main" java.lang.NullPointerException at uk.me.parabola.splitter.PrecompSeaReader.getPrecompKeyNames (PrecompSe aReader.java:306) at uk.me.parabola.splitter.PrecompSeaReader.processMap (PrecompSeaReader. java:77) at uk.me.parabola.splitter.Main.calculateAreas(Main.java:515) at uk.me.parabola.splitter.Main.split(Main.java:234) at uk.me.parabola.splitter.Main.start(Main.java:165) at uk.me.parabola.splitter.Main.main(Main.java:149) C:\DATA\SHARED\OSM\splitter-r318\splitter.jar: at script\genGarminMap.pl line 2 67. I'm using splitter version 318. It seems there is some problem with precomp sea file management. Thanks, Giacomo.