I can't reorder steps in flow designer

[H_T_M]

Hello,

When i try reordering the steps in flow designer in my PDI, i get the following error :

Any idea how can i fix that ?

I'm using Washington DC release.

[Mark Manders · Accepted solution]

I had that a while back. After saving the flow, closing the designer and reopening it, it did work again. Can you try?