Go to the official download site:
At bottom, select 1.12.2 and download all 3 mods
Replace all 3 mods with the current ones you are using
It seems like you're encountering a crash in Minecraft related to rendering a block entity, specifically a chest block. The error points to a NullPointerException in the rendering process. This type of error usually occurs when the game encounters an unexpected null value where it's not supposed to be.