tritonclient.utils.InferenceServerException: [StatusCode.INTERNAL] Unable to open shared memory region: '/output_simple'

[CodeDuoGun]

I run the src/python/examples/simple_grpc_shm_client.py file ,but got error below
Traceback (most recent call last):
File "demo.py", line 95, in
triton_client.register_system_shared_memory(
File "/home/jiangzhao/anaconda3/envs/wav2lip192/lib/python3.8/site-packages/tritonclient/grpc/_client.py", line 1223, in register_system_shared_memory
raise_error_grpc(rpc_error)
File "/home/jiangzhao/anaconda3/envs/wav2lip192/lib/python3.8/site-packages/tritonclient/grpc/_utils.py", line 77, in raise_error_grpc
raise get_error_grpc(rpc_error) from None
tritonclient.utils.InferenceServerException: [StatusCode.INTERNAL] Unable to open shared memory region: '/output_simple'
how can i fix this?