✓ Paradise Land [1.8 - 1.12] SkyWorld Generator! 3.1-SNAPSHOT-2

Doesn't work at all and it makes my server crash.
Caused by: java.lang.NoClassDefFoundError: org/bukkit/block/data/BlockData
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_212]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_212]
at it.gamerover.paradise.m.c.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.m.c.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.m.a.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.m.a.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.ParadiseLand.onLoad(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at com.rylinaux.plugman.util.PluginUtil.load(PluginUtil.java:365) ~[PlugMan.jar:?]
at com.rylinaux.plugman.command.LoadCommand.execute(LoadCommand.java:114) ~[PlugMan.jar:?]
at com.rylinaux.plugman.PlugManCommandHandler.onCommand(PlugManCommandHandler.java:95) ~[PlugMan.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[server.jar:git-TacoSpigot-bf023c7d]
... 15 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.block.data.BlockData
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_212]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_212]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_212]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_212]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_212]
at it.gamerover.paradise.m.c.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.m.c.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.m.a.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.m.a.a(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at it.gamerover.paradise.ParadiseLand.onLoad(Unknown Source) ~[ParadiseLand-3.1-SNAPSHOT-2-CRACKED.jar:?]
at com.rylinaux.plugman.util.PluginUtil.load(PluginUtil.java:365) ~[PlugMan.jar:?]
at com.rylinaux.plugman.command.LoadCommand.execute(LoadCommand.java:114) ~[PlugMan.jar:?]
at com.rylinaux.plugman.PlugManCommandHandler.onCommand(PlugManCommandHandler.java:95) ~[PlugMan.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[server.jar:git-TacoSpigot-bf023c7d]
... 15 more

Pls update to 2.1 SNAPSHOT 3.

Please, Update