Capability not working Null point exeption

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On 4/9/2019 at 9:24 PM, diesieben07 said:

This will crash, this.value is null at this point. Do not store your capability instance in your packet, use the raw data (in this case the two ints).

oh yeah it worked thank you.

 

if I want to send a message to the server and to obtain a awnser to my packet sould I make another message class and handler or exists a easy way to do this ?

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4 hours ago, diesieben07 said:

There is no built-in support for request-response style packets, you have to implement that yourself.

Okay thank you a lot for the help on my capabilities errors I learned a lot ?