The Bastion of Ered Mithrin cannot receive runes ?
The City of Dale can (but it's hard to aim)
Edit : Another bug I just encountered : Two ram riders that I cannot evacuate from mines. Stuck in.
Edit 2: CTD against dwarves IA when I play Lothlorien
1) a) Map Crossroads, fresh start of the game, playing solo Lothlorien against dwarves of Ered Luin, I'm in the right corner him in the west. We fight for the outpost in the middle next to me he already captured with a Lake structure note quite ended. They didn't destroy the cave troll that rebuild again in the middle of their Dale structure, and I was fighting to not let the city end. The troll exited the building, met their pikemen stuck in the city (from another Lake I suppose) and died instantly.
Then, CTD without message.
----------------
b) Map Crossroads again, same configuration. Against Erebor this time. They just destroyed one of my Mallorn in the south, we fought, and the game crashed. Nothing else special.
c)" Druadan Forest, I'm in the north, they're in the south. Lothlorien against dwarves of Ered Luin. Another crash without CTD.
27/07/20 : d) The same bug occured on another map. For me it's only against the dwarves with Lothlorien, and I'm starting to think it's like the famous CTD after something like 5 minutes. But only with Lothlorien against dwarves.
Lothlorien vs Mordor, Isengard or Angmar is fine.
I should try isengard vs dwarves to see.
2) A bug I often see (did't think to note the maps), is that the dwarve's main building on outposts cannot be rebuild once destroyed if there are buildings around it.