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null hitResult when no entity or block is in focus while looking through blocks without the ray trace intersecting the blocks themselves

Setblock signs with text put "null" on empty lines by reloading the world

Setting Json text value to null throws exceptions and crashes

Sending a null header or footer results in an NPE/Unable to remove headers/footers from the player list

Warning message for entity with same UUID shows null for players

Constructor for playerlist header and footer packet (SPacketPlayerListHeaderFooter) is missing footer parameter

Advancement file containing only "null" crashes server

Server crashes with "null" as advancement title or description value

Exception loading entity:java.lang.NullPointerException: null

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