hyperconomyerror

HyperConomy[2015-06-08 17:53:29.145]
SQL write failed 1 time(s). The failing SQL statement is in the following brackets:
[INSERT INTO hyperconomy_players (SALT, X, Y, Z, UUID, WORLD, ECONOMY, NAME, BALANCE, HASH) VALUES (?,?,?,?,?,?,?,?,?,?)]
Parameters: [[], [341.51348109344354], [71.0], [1671.5044717674577], [f764c086-a839-4df9-a523-e0c9bfc778dd], [Towny], [default], [Erkster], [500.0], []]
java.sql.SQLException: [SQLITE_CONSTRAINT]  Abort due to constraint violation (column UUID is not unique)
	at org.sqlite.DB.newSQLException(DB.java:383)
	at org.sqlite.DB.newSQLException(DB.java:387)
	at org.sqlite.DB.execute(DB.java:342)
	at org.sqlite.DB.executeUpdate(DB.java:363)
	at org.sqlite.PrepStmt.executeUpdate(PrepStmt.java:85)
	at regalowl.hyperconomy.simpledatalib.sql.DatabaseConnection.write(DatabaseConnection.java:47)
	at regalowl.hyperconomy.simpledatalib.sql.SQLWrite$WriteTask.write(SQLWrite.java:120)
	at regalowl.hyperconomy.simpledatalib.sql.SQLWrite$WriteTask.run(SQLWrite.java:113)
	at java.util.TimerThread.mainLoop(Timer.java:555)
	at java.util.TimerThread.run(Timer.java:505)