I have come across the same issue over and over again and I can't seem to find a solution.  When I create weldment drawings I will sometimes get some cutlist views that will show the incorrect dimension.  The part is trimmed using the weldment structural member tool.  When I call the dimension in the cutlist view it will pull the other body or the complete length of the original member.  Every time I make a complex weldment I get this error and I end up doing some witch craft and get it to work but it always takes a long time.  The usual fix is to remake the weldment without tirmming in the weldment structural member tool then manually trimming the entire assembly (huge pain). I hope somebody has an idea of what the heck is going on.