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Hi there, First report. I'm not sure why but whenever I use the Create Stock Ticker with a blaze burner it has crashed my game which has made it difficult for me to use the Create inventory system. I would Right click on the Blaze burner to open the inventory page and it crashes almost instantly. I'm not entirely sure if it's a server bug or a modpack bug but I want to bring it to your attention to see if we can solve this issue. I am on an Apex Hosting Server if that helps in any way
This report appears to be a duplicate of #9695.
Looking at the crash log provided in the original post (mclo.gs/l3SZS2l#L21), the crash is caused by an IndexOutOfBoundsException triggered by ClientboundContainerSetSlotPacket
This is not related to Blaze Burners specifically, but rather a packet desync/race condition occurring when opening the Stock Keeper GUI while inventory update packets are being received (as detailed in #9695).
Note for @Jason3989
Your crash log(mclo.gs/FjFjUHg) is an unrelated JEI compatibility issue in 1.20.1 Forge where StockKeeperGuiContainerHandler throws a NullPointerException on this.ingredientManager during a key press event.
This crash occurs because recent JEI updates deprecated the legacy JEI Config API and adopted MezzConfig as a bundled dependency. To resolve this issue immediately, downgrade JEI to an earlier build released before the MezzConfig update
Activity
Jason3989 commentedon Oct 31, 2026
Also getting the same crash with the stock ticker and using blaze burner, switched to chicken on seat just to make sure and still crashed.
Crash Report
https://mclo.gs/FjFjUHg
Elaski6573 commentedon Nov 3, 2026
This report appears to be a duplicate of #9695.
Looking at the crash log provided in the original post (mclo.gs/l3SZS2l#L21), the crash is caused by an
IndexOutOfBoundsExceptiontriggered byClientboundContainerSetSlotPacketThis is not related to Blaze Burners specifically, but rather a packet desync/race condition occurring when opening the Stock Keeper GUI while inventory update packets are being received (as detailed in #9695).
Note for @Jason3989
Your crash log(mclo.gs/FjFjUHg) is an unrelated JEI compatibility issue in 1.20.1 Forge where
StockKeeperGuiContainerHandlerthrows a NullPointerException onthis.ingredientManagerduring a key press event.This crash occurs because recent JEI updates deprecated the legacy JEI Config API and adopted MezzConfig as a bundled dependency. To resolve this issue immediately, downgrade JEI to an earlier build released before the MezzConfig update