title: Mechanical Turk command line tools suddenly not working
body: <p>Running <code>loadHITs.sh</code> with the <code>-sandbox</code> flag has been working fine for several weeks. But suddenly, I'm getting this error:</p>
  
  <pre><code>...
    Start time: Thu Apr 02 21:47:20 PDT 2015
  Error loading HITs: Error executing operation: Error #1 for RequestId: ab85a92a-5771-4b81-8b43-4e7a584c16b5 - AWS.NotYetImplemented: This method is not yet implemented (1428036440673 s)
  com.amazonaws.mturk.service.exception.InternalServiceException: Error executing operation: Error #1 for RequestId: ab85a92a-5771-4b81-8b43-4e7a584c16b5 - AWS.NotYetImplemented: This method is not yet implemented (1428036440673 s)
          at com.amazonaws.mturk.filter.ErrorProcessingFilter.processErrors(ErrorProcessingFilter.java:158)
          at com.amazonaws.mturk.filter.ErrorProcessingFilter.execute(ErrorProcessingFilter.java:48)
          at com.amazonaws.mturk.filter.Filter.passMessage(Filter.java:56)
          at com.amazonaws.mturk.filter.RetryFilter.execute(RetryFilter.java:115)
          at com.amazonaws.mturk.filter.Filter.passMessage(Filter.java:56)
          at com.amazonaws.mturk.util.CLTExceptionFilter.sendMessage(CLTExceptionFilter.java:77)
          at com.amazonaws.mturk.util.CLTExceptionFilter.execute(CLTExceptionFilter.java:62)
          at com.amazonaws.mturk.service.axis.FilteredAWSService.executeRequests(FilteredAWSService.java:172)
          at com.amazonaws.mturk.service.axis.FilteredAWSService.executeRequest(FilteredAWSService.java:152)
          at com.amazonaws.mturk.service.axis.FilteredAWSService.executeRequest(FilteredAWSService.java:116)
          at com.amazonaws.mturk.service.axis.RequesterServiceRaw.registerHITType(RequesterServiceRaw.java:440)
          at com.amazonaws.mturk.service.axis.RequesterService.createHITs(RequesterService.java:1512)
          at com.amazonaws.mturk.cmd.LoadHITs.loadHITs(LoadHITs.java:236)
          at com.amazonaws.mturk.cmd.LoadHITs.runCommand(LoadHITs.java:120)
          at com.amazonaws.mturk.cmd.AbstractCmd.run(AbstractCmd.java:148)
          at com.amazonaws.mturk.cmd.LoadHITs.main(LoadHITs.java:55)
  </code></pre>
  
  <p>The <em>exact same command</em> works fine if I omit the <code>-sandbox</code> flag.</p>