Your log shows <tt>OutOfMemoryException</tt> errors in the console, and the game may severely lag or crash. That means your game ran out of available memory mid-session. Since the game is 32-bit, it can only use about 3GB of memory (even if your computer has more available).
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Some common fixes:
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* Remove content mods you don't need (particularly content packs for Custom Music or TMXL Map Toolkit, which can use a lot of memory).
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* Or [[Modding:Migrate to 64-bit on Windows|apply the 64-bit Stardew Valley patch]], which will remove the 3GB memory limit.