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after every patch mods often stop working; see here. either wait for the mods to update to be compatible with the new patch or start a new map with no mods enabled.
it's probably a mod conflicting. launch the game with both the --noWorkshop and --disableMods commands and see if that helps, if it does then you'll know it's a mod or asset and you'll have to wait for the mod/asset to be updated.