there seems tobe a fault in the map.there is a particular alley that is not routable, causing error when trying to route tothose roads.
the alley starting point N3.01789 E101.43671 and ends N3.01770 E101.43779
here's a screenshot of the place

sorry cant send GDPfile.. for somereason, i cannot save GDP files since iupgraded my mapsource to 6.14.1