Failed to fetch block from None error?

2021-05-23T11:22:28.450 full_node full_node_server        : ERROR    Exception: Failed to fetch block 322533 from None, timed out, None. Traceback (most recent call last):
  File "chia\server\server.py", line 526, in wrapped_coroutine
  File "chia\full_node\full_node_api.py", line 104, in new_peak
  File "chia\full_node\full_node.py", line 373, in new_peak
  File "chia\full_node\full_node.py", line 322, in short_sync_backtrack
  File "chia\full_node\full_node.py", line 307, in short_sync_backtrack
ValueError: Failed to fetch block 322533 from None, timed out

2021-05-23T11:22:28.450 full_node full_node_server        : ERROR    Exception: Failed to fetch block 322533 from None, timed out <class 'ValueError'>, closing connection None. Traceback (most recent call last):
  File "chia\server\server.py", line 536, in api_call
  File "asyncio\tasks.py", line 414, in wait_for
  File "chia\server\server.py", line 533, in wrapped_coroutine
  File "chia\server\server.py", line 526, in wrapped_coroutine
  File "chia\full_node\full_node_api.py", line 104, in new_peak
  File "chia\full_node\full_node.py", line 373, in new_peak
  File "chia\full_node\full_node.py", line 322, in short_sync_backtrack
  File "chia\full_node\full_node.py", line 307, in short_sync_backtrack
ValueError: Failed to fetch block 322533 from None, timed out

I searched the forum with the keywords “failed to fetch”, the difference is “from None”, not “’ from {‘host’: ‘62.57.X.X’, ‘port’: 8444}”

Is there something wrong with my farming?

Are you synced? Do you see harvester eligibility checks in your logs when logs are set to INFO level?