[structures.spawner_dungeon]
#Generate? [default: true]
generate = true
#Spawn Chance [default: 0.7]
#Range: 0.0 ~ 1.0
spawn_chance = 0.7
#Spacing (in chunks) [default: 30]
#Range: 0 ~ 200
spacing = 30
#Minimum Separation (in chunks) [default: 8]
#Range: 0 ~ 200
separation = 8
#Biome Categories the structure can generate in
#Allowed Values: [none, taiga, extreme_hills, jungle, mesa, plains, savanna, icy, theend, beach, forest, ocean, desert, river, swamp, mushroom, nether, underground]
biome_categories = ["plains", "forest", "extreme_hills", "taiga", "desert", "mesa", "savanna", "jungle", "icy", "swamp", "mushroom"]
#Dimensions the structure can NOT generate in
blacklisted_dimensions = [twilightforest]
#Biomes the structure can NOT generate in
blacklisted_biomes = []

According to the configuration you said, the game won't open.
The game crashed whilst rendering overlay.

collapse:https://gist.github.com/xz123456xz/974c43ed7212517455910bb2a8791a44

Add double quotes.
It will be cleared when you start the game.

Now you're missing the double quotes. You only needed to remove the underscore.

Please use the Discord server if you need further support instead of opening further issues here.