minecraft failed to invoke"dev.ftb.mods.ftb quest.quest.rewards.Rewards Type.create Reward

[pacman0521]

Hello I on this forem to ask for help about an issue with FTB quest.

I trying to play a mod pack with a mate of with and when i try and join him minecraft fail to connect instead giving me the Internal

Exception: java.lang.NullPointerExpection: Cannot invoke "dev.ftb.mods.ftb quest.quest.rewards.RewardsType.createReward(Long dev.ftb.mods.ftbquest.quest.Quest)" beacuse "tpye" type is null.

 

if anyone has information about how to fix this please let me know.

[TileEntity]

 

Add the full crash-report or latest.log (logs-folder) with sites like https://mclo.gs/ and paste the link to it here