[14:33:35 INFO]: [SkyblockConverter] Inserting those missed names...
[14:33:35 INFO]: [SkyblockConverter] Getting any missed islands...
[14:33:36 ERROR]: Error in SQL operation: (1452) Cannot add or update a child row: a foreign key constraint fails (`skyblock`.`islands`, CONSTRAINT `FK_owner` FOREIGN KEY (`owner`) REFERENCES `players` (`id`) ON DELETE CASCADE ON UPDATE CASCADE)
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Cannot add or update a child row: a foreign key constraint fails (`skyblock`.`islands`, CONSTRAINT `FK_owner` FOREIGN KEY (`owner`) REFERENCES `players` (`id`) ON DELETE CASCADE ON UPDATE CASCADE)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_60]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_60]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_60]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[?:1.8.0_60]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:407) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.Util.getInstance(Util.java:382) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1039) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3525) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2140) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2626) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2111) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2407) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2325) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2310) ~[craftbukkit.jar:git-Spigot-76236cb-c373061]
        at com.codelanx.codelanxlib.data.SQLDataType.update(SQLDataType.java:154) ~[?:?]
        at com.codelanx.skyblockconverter.SkyblockConverter.lambda$onEnable$33(SkyblockConverter.java:162) ~[?:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_60]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_60]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_60]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_60]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_60]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]