I see a yellow triangle tree conflict when I look at the tree of Rudolf Wittmann, on his spouse Bertha Wittmann (Stern)
http://www.geni.com/family-tree/index/6000000022135707494
When I look at Bertha's tree, there is no conflict.
When I "resolve" the absent conflict, and return to Rudolf's tree, the conflict triangle is still there. It won't go away.
Randy