Resolved Dragon Banner Independence as an Existing King?

[DaniMon]

Summary: Currently I’m King of Vlandians and I can’t become an independent clan? I haven’t killed any of the other factions but I was voted into the Crown by the kingdom. Do I really need to forfeit my kingdom to start another kingdom?
How to Reproduce: Become king via voting after becoming a vassal. Then start the quest.
Have you used cheats and if so which: No cheats

 

[MArdA TaleWorlds]

You have to give up on the current kingdom to progress through that quest. And it is an intentional design decision. There is no bug here