ble-sniffer_win_1.0.1_1111_Sniffer.exe fail

hi,all
      i use ble-sniffer_win_1.0.1_1111_Sniffer.exe,but it note as follow:

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     and Why sometimes not get the connection of the data? Sometimes it stop 60 CONNECT_REQ or else

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image description still Loss data.pcapng Loss data 2.pcapng