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Forge Server 1.12.2 Specified entry Block not in regestry


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I made a modpack with all mods I like on 1.12.2.

In Minecraft Local World it works but if I create a forge server its giving me that error and I have no idea what to do now.


Connection Lost

Internal Exception: java.lang.IllegalArgumentException: The specified entry Block{null} hasn't been registered in registry yet.


What should I do now?

I attatched some files idk if they are usefull


Are there Mods that should not be in Server folder?

Server console.txt

Sever error message.png

Server folder.png


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Okay I used another version of buildcraft now it worked but now I have another bug or my minecraft is crashing when i try to join 



The game crashed whilst ticking entity

The game crashed whilst ticking entity
Error: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Boolean
Edited by Hyokuani
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