nexus-m2settings:download - error in version 1.5.1

 <username>$[userToken.nameCode]</username>
<password>$[userToken.passCode.encrypted]</password>

[INFO] --- nexus-m2settings-maven-plugin:1.5.1:download (default-cli) @ standalone-pom ---
Username [xxxx]:
Password: *********
[INFO] Connecting to: xxxx (as xxxx)
[INFO] Connected: Sonatype Nexus Professional 2.6.3-01
Available Templates:
   0) default
Select Template: 0
[INFO] Fetching content for templateId: default
[INFO] Backing up: C:\Users\xxxx\.m2\settings.xml to: C:\Users\xxxx\.m2\settings.xml-20131127140235
[INFO] Saving content to: C:\Users\xxxx\.m2\settings.xml
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 15.482s
[INFO] Finished at: Wed Nov 27 14:02:35 CET 2013
[INFO] Final Memory: 19M/576M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.sonatype.plugins:nexus-m2settings-maven-plugin:1.5.1:download (default-cli) on project standalone-pom: Failed to save content to: C:\Users\xxxx\.m2\settings.xml: No org.sonatype.nexus.client.core.spi.SubsystemProvider was able to create a subsystem of typecom.sonatype.nexus.usertoken.client.UserToken -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.sonatype.plugins:nexus-m2settings-maven-plugin:1.5.1:download (default-cli) on project standalone-pom: Failed to save content to: C:\Users\xxx\.m2\settings.xml
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
        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)
Caused by: org.apache.maven.plugin.MojoExecutionException: Failed to save content to: C:\Users\xxxx\.m2\settings.xml
        at org.sonatype.nexus.maven.m2settings.MojoSupport.fail(MojoSupport.java:77)
        at org.sonatype.nexus.maven.m2settings.DownloadMojo.save(DownloadMojo.java:398)
        at org.sonatype.nexus.maven.m2settings.DownloadMojo.doExecute(DownloadMojo.java:197)
        at org.sonatype.nexus.maven.m2settings.MojoSupport.execute(MojoSupport.java:40)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        ... 19 more
Caused by: java.lang.IllegalArgumentException: No org.sonatype.nexus.client.core.spi.SubsystemProvider was able to create a subsystem of typecom.sonatype.nexus.usertoken.client.Use
rToken
        at org.sonatype.nexus.client.rest.jersey.JerseyNexusClient.createSubsystem(JerseyNexusClient.java:195)
        at org.sonatype.nexus.client.internal.rest.AbstractNexusClient.getSubsystem(AbstractNexusClient.java:67)
        at org.sonatype.nexus.maven.m2settings.template.UserTokenCustomizer.getUserToken(UserTokenCustomizer.java:83)
        at org.sonatype.nexus.maven.m2settings.template.UserTokenCustomizer.getNameCode(UserTokenCustomizer.java:96)
        at org.sonatype.nexus.maven.m2settings.template.UserTokenCustomizer.getPlainValue(UserTokenCustomizer.java:66)
        at org.sonatype.nexus.maven.m2settings.template.MasterPasswordCustomizerSupport.getValue(MasterPasswordCustomizerSupport.java:72)
        at org.sonatype.nexus.maven.m2settings.template.TemplateInterpolatorCustomizerSupport$1.getValue(TemplateInterpolatorCustomizerSupport.java:59)
        at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:197)
        at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:124)
        at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:103)
        at org.codehaus.plexus.interpolation.InterpolatorFilterReader.read(InterpolatorFilterReader.java:368)
        at org.codehaus.plexus.interpolation.InterpolatorFilterReader.read(InterpolatorFilterReader.java:209)
        at java.io.Reader.read(Reader.java:100)
        at com.google.common.io.CharStreams.copy(CharStreams.java:244)
        at org.sonatype.nexus.maven.m2settings.DownloadMojo.save(DownloadMojo.java:390)
        ... 23 more