使用loadHITs.sh标志运行-sandbox已经好几周了。但突然间，我收到了这个错误：
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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)
如果省略-sandbox标志，完全相同的命令可以正常工作。