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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