Fatal Exception: java.lang.IllegalArgumentException: Invalid SKRouteMode value : -1
at com.skobbler.ngx.routing.SKRouteSettings$SKRouteMo de.forInt(SourceFile:105)
at com.skobbler.ngx.routing.SKRouteInfo.<init>(Source File:132)
at com.skobbler.ngx.routing.SKRouteManager.getroutein fo(SourceFile)
at com.skobbler.ngx.routing.SKRouteManager.routecompl etecallback(SourceFile:876)

I do not know why this happen. Or, what leads to this happen.
Have anyone faced this error before ?