Solved Ginger Island Volcano Dungeon floor 0 no longer loads after bridge walnut upgrade

dragonzflyte

Greenhorn
Platform - Windows
Game version - v 1.6.15 build 24356
SMAPI log -
(the issue began occurring at timestamp 22:25:32 ) https://smapi.io/log/2d165bac49f045edaef446ed35b0ca51
Steps to reproduce - 1. Purchase the golden walnut upgrade for the bridge on floor 0 of the Volcano Dungeon on Ginger Island. 2. Leave floor 0 and re-enter.
Expected vs Actual results - Expected result: the Volcano Dungeon entrance map loads, with an added bridge across the first lava block. Actual result: the screen stays black, and cannot be interacted with directly. Attempts to open the menu do nothing.

I purchased the walnut upgrade to add a bridge in the volcano dungeon, but after the upgrade triggered no bridge appeared, and the next time I entered floor 0 of the volcano the map would not load in. I couldn't open the map or interact with the game directly at all once this happened. I had to teleport via the command console elsewhere to be able to do anything. When I skipped floor 0 of the volcano, jumping to floor 1 (debug volcano 1), the mine worked fine, and there were no other issues from floor 1 onward. But any time I re-entered the volcano map for floor 0, whether going into the mine or moving back down from floor 1 the issue reoccurred.

The error message shown on the SMAPI command console is the same every time, and repeats over and over until I teleport away from volcano 0 or close the game.

Checking SMAPI showed an error starting with the line:

An error occurred in the base update loop: NullReferenceException: Object reference not set to an instance of an object. at StardewValley.Locations.VolcanoDungeon.UpdateBridge() in D:\GitlabRunner\builds\Gq5qA5P4\0\ConcernedApe\stardewvalley\Farmer\Farmer\Locations\VolcanoDungeon.cs:line 554​

I have many mods installed and recently updated around 20 of them, though it's unclear whether that caused my issue or not. I followed the basic troubleshooting guide by verifying my game files and restarting the game, but the issue kept happening. I'll probably try removing mods and adding them back one at a time if I don't find a better option soon, but I'm not confident that will fix the issue on my current save file.

If there's a way for me to undo the volcano bridge purchase, that would be great, but I didn't see an obvious way to do so with the debug console commands. Any advice on how to fix this issue is appreciated!
 

dragonzflyte

Greenhorn
I don't actually have any mods dependent on TMXL Map Toolkit anymore - I guess they all updated to no longer need it at some point? Anyways, I removed the TMXL mod folder and that fixed it, thanks!
 
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