问题 lost connection: Internal Exception: java.lang.NullPointerException: type cannot be null

[Dewier_ Hutao]

[17:23:07] [Server thread/INFO]: Sahanaz (/127.0.0.1:52727) lost connection: Internal Exception: java.lang.NullPointerException: type cannot be null
[17:23:12] [User Authenticator #0/INFO]: UUID of player Sahanaz is 292c2bf2-916a-30d1-b97e-dd0511cbfddc
此报错在1851
导致玩家进入不了服务器