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MineCraft Crashing In Eclipse For No Reason

JEWELKRACKER
in Mods

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  • 2 weeks later...

Actually read your stacktrace. Line 43, the important line, says:

Caused by: java.lang.IllegalArgumentException: Slot 1007 is already occupied by gems.block.BlockGemBlock@32b7795 when adding gems.block.BlockGemBlock@1ab7d8d3

 

This means that you have two blocks in there using the same ID (1007). Also, you should be using the latest version of Forge, in which you don't need to worry about block IDs. Among other nice things. Seriously, just upgrade.

I like to make mods, just like you. Here's one worth checking out

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