Hey everyone,
I have created a connectivity association between a point feature (air release valve) and a water main. This is done through a junction-edge association.
I see this in the attribute table:

However, when attempting to "show" the association, I get this error:

Any thoughts? I have tried opening the layers in question in another map in my project, same issue. The water lines themselves are all in one single subnetwork of "Water System", using the default ESRI water Asset Package.
Any assistance or pointers are appreciated. Thanks!