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you should make a new server for 1.12+ and still have the 1.8 server or just update the server to 1.12 i posted this on the build forums because...
like this HI HI HI HI HI HI Screenshot [ATTACH] (this is by someone else)
there are to ways to do this. you can execute the command from a player (or other entity) or the actual cmd block. the first one is from entity....
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