Unable to create Topology in dataset

[PaulDhandapani]

Hi,

I am unable to create a new Topology inside my dataset I've created recently.  It's always throwing error "ERROR_160621: Cannot add a class that is registered as versioned to a topology that is not registered as versioned."

Any ideas/thoughts welcome...

Thanks,

~Paul

[DanPatterson]

160621: Cannot add a class that is registered as versioned to a topology that is not registered as v...

There is a solution there, but it involves contacting Tech Support with information since it is a rare occurence

[Robert_LeClair]

Presuming that all feature classes in your feature dataset are registered as versioned before you create the GDB topology, then this error message "should" not appear.  BUT if all FC's are registered as versioned before creating the GDB topology, then this sounds like BUG-000134929 - ArcGIS Pro allows creating a topology on a versioned feature dataset after returning an error message.  It was discovered at 2.6.2 and is under review by the ArcGIS Pro Dev Team.