Not working on NachoSpigot1.8.8

[HowardZHY]

Info

Please provide the following information:

• BkCommonLib Version (/train version): BKCommonLib v1.18.1-v2
• TrainCarts Version (/train version): Train_Carts v1.18.1-v2
• Server Type and Version (/version):NachoSpigot-"f5de3b6" (MC: 1.8.8)

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Bug

Description

Could not pass event EntityAddEvent to Train_Carts v1.18.1-v2
org.bukkit.event.EventException: null
And spamming errors

Expected behaviour

What do you expect TrainCarts to do?
Works on NachoSpigot

Actual behaviour

What is TrainCarts doing instead?
see log

Steps to reproduce

Please list the steps to take, in order to reproduce the bug.
Use latest NachoSpigot and TrainCarts.

Additional Information

Any additional information we should know of?
latest.log

[bergerkiller]

Try it https://ci.mg-dev.eu/job/BKCommonLib/1224/

[HowardZHY]

works now.