Bukkit

What steps will reproduce the problem?
1. Create a new warp: /addwarp Whatever
2. Delete the warp: /deletewarp Whatever
3.

What is the expected output? What do you see instead?
I expect to see that it has been deleted, instead we get the generic an internal error has occured

What version of the product are you using?
1.3.1

Do you have an error log of what happened?
Caused by: javax.persistence.OptimisticLockException: Data has changed. updated [0] rows sql[delete from nw_warp where id=? and fully_qualified_name=? and name=? and owner=? and warp_type=? and world_name=? and x=? and y=? and z=? and pitch=? and yaw=?] bind[null]
    at com.avaje.ebeaninternal.server.persist.dml.DmlHandler.checkRowCount(DmlHandler.java:123)
    at com.avaje.ebeaninternal.server.persist.dml.DeleteHandler.execute(DeleteHandler.java:81)
    at com.avaje.ebeaninternal.server.persist.dml.DmlBeanPersister.execute(DmlBeanPersister.java:105)
    at com.avaje.ebeaninternal.server.persist.dml.DmlBeanPersister.delete(DmlBeanPersister.java:67)
    at com.avaje.ebeaninternal.server.persist.DefaultPersistExecute.executeDeleteBean(DefaultPersistExecute.java:128)
    at com.avaje.ebeaninternal.server.core.PersistRequestBean.executeNow(PersistRequestBean.java:535)
    at com.avaje.ebeaninternal.server.core.PersistRequestBean.executeOrQueue(PersistRequestBean.java:557)
    at com.avaje.ebeaninternal.server.persist.DefaultPersister.delete(DefaultPersister.java:654)
    at com.avaje.ebeaninternal.server.persist.DefaultPersister.delete(DefaultPersister.java:464)
    at com.avaje.ebeaninternal.server.core.DefaultServer.delete(DefaultServer.java:1831)
    at com.avaje.ebeaninternal.server.core.DefaultServer.delete(DefaultServer.java:1821)
    at net.niftymonkey.niftywarp.persistence.EbeanServerPersistenceProvider.delete(EbeanServerPersistenceProvider.java:123)
    at net.niftymonkey.niftywarp.WarpManager.deleteWarp(WarpManager.java:232)
    at net.niftymonkey.niftywarp.commands.DeleteWarpCommand.onCommand(DeleteWarpCommand.java:66)
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:39)

Please provide any additional information below.