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java.lang.IllegalArgumentException: scale factor must not < 1 0.75	at org.mapsforge.core.util.MercatorProjection.getMapSizeWithScaleFactor(	at org.mapsforge.core.util.MercatorProjection.calculateGroundResolutionWithScaleFactor(	at org.mapsforge.core.util.MercatorProjection.metersToPixelsWithScaleFactor(	at cgeo.geocaching.maps.mapsforge.v6.layers.PositionLayer.draw(	at	at