You should join using username "ItzAPlayer" not "ItzAPlayer" Help me!

[ItzAPlayer]

When i try to join the server it comes up a message and it says "You should join using username "ItzAPlayer" not "ItzAPlayer"
Also i have a rank

 

[Mrfatsojr]

Use a cracked launcher and change the caps to what it wants you to join with, if that doesn't fix it dm either of the owners on the forums or discord.

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