Any workaround for "When you attempt to remove a subtype on a utility network feature class which is required for the utility network, an error number of '999999' is given."

Question

hi UN team,

Is there any workaround available for below known issue?

"When you attempt to remove a subtype on a utility network feature class which is required for the utility network, an error number of '999999' is given."

Thank You.

MikeMillerGIS · Answer

Once you enable topology on the utility network, certain operations such as this cannot be done.  I would suggest exporting to the asset package and make these changes and reapply that asset package.