I had the same issue, and what I had to do to find the .mca file in the world/region file and opened it with NBTExplorer find and edit out the...
when i load my server i get the error "Error whilst attempting to get connection: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:...
ok
Careful if you let them build in an area tree they will slowly take over also they spam chat saying they found logs
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