fix bug introduced in 4caa3623

matlab/reports/@report_series/getLine.m

@@ -50,7 +50,7 @@ assert(isempty(o.graphMarker) || any(strcmp(o.graphMarker, valid_graphMarker)),
 
 assert(ischar(o.graphMarkerEdgeColor), '@report_series.getLine: graphMarkerEdgeColor must be a string');
 assert(ischar(o.graphMarkerFaceColor), '@report_series.getLine: graphMarkerFaceColor must be a string');
-assert(isfloat(o.graphMarkerSize) && o.graphLineWidth > 0, ...
+assert(isfloat(o.graphMarkerSize) && o.graphMarkerSize > 0, ...
                     '@report_series.getLine: graphMarkerSize must be a positive number');
 
 % Marker & Line