The following error occurs when loading the sample data (netbeans dev setup)

[PROCESSING FILE : C:\Users\benjamincharlton\Documents\NetBeansProjects\openvpms-archetypes\src\data\org\openvpms\data\demo\organisation.xml]

Error in start element, line 44, column 110<data source="id:OL1" target="id:OSL1" default="true" />
org.openvpms.tools.data.loader.ArchetypeDataLoaderException: Error at line 44: Attribute 'default' does not exist in archetype entityRelationship.locationStockLocation.1.0.
    at org.openvpms.tools.data.loader.LoadState.getNode(LoadState.java:396)
    at org.openvpms.tools.data.loader.LoadState.setValue(LoadState.java:162)
    at org.openvpms.tools.data.loader.DataLoader.processData(DataLoader.java:307)
    at org.openvpms.tools.data.loader.DataLoader.startData(DataLoader.java:271)
    at org.openvpms.tools.data.loader.DataLoader.load(DataLoader.java:160)
    at org.openvpms.tools.data.loader.StaxArchetypeDataLoader.processFile(StaxArchetypeDataLoader.java:239)
    at org.openvpms.tools.data.loader.StaxArchetypeDataLoader.processDir(StaxArchetypeDataLoader.java:222)
    at org.openvpms.tools.data.loader.StaxArchetypeDataLoader.load(StaxArchetypeDataLoader.java:157)
    at org.openvpms.maven.data.DataLoadMojo.doExecute(DataLoadMojo.java:70)
    at org.openvpms.maven.data.AbstractDataMojo.doExecute(AbstractDataMojo.java:160)
    at org.openvpms.maven.archetype.AbstractHibernateMojo.execute(AbstractHibernateMojo.java:98)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)