Prohibit `nil` namespace type
Once we have no more nil type namespaces in the DB #341069 (closed) or in specs #341447 (closed), we can start to prohibit nil type in the DB at all.
MR merge order:
Edited by charlie ablett
Once we have no more nil type namespaces in the DB #341069 (closed) or in specs #341447 (closed), we can start to prohibit nil type in the DB at all.
MR merge order: