RetryableDeletionError: Deletion of AwsManagedRelationalDb failed

When i run "sysbench"benchmark, the test failed

Traceback (most recent call last):
File "/home/ec2-user/PerfKitBenchmarker/perfkitbenchmarker/pkb.py", line 758, in RunBenchmarkTask
RunBenchmark(spec, collector)
File "/home/ec2-user/PerfKitBenchmarker/perfkitbenchmarker/pkb.py", line 676, in RunBenchmark
spec.Delete()
File "/home/ec2-user/PerfKitBenchmarker/perfkitbenchmarker/benchmark_spec.py", line 455, in Delete
self.managed_relational_db.Delete()
File "/home/ec2-user/PerfKitBenchmarker/perfkitbenchmarker/resource.py", line 249, in Delete
self._DeleteResource()
File "/home/ec2-user/PerfKitBenchmarker/perfkitbenchmarker/vm_util.py", line 249, in WrappedFunction
return f(*args, **kwargs)
File "/home/ec2-user/PerfKitBenchmarker/perfkitbenchmarker/resource.py", line 211, in _DeleteResource
'Deletion of %s failed.' % type(self).__name__)
RetryableDeletionError: Deletion of AwsManagedRelationalDb failed.