LLC bytes are missing from the message

Hi
I tried using Simulator（Java） as the meter，then i use the Director to read the meter。When I connet to the meter without Authentication，it works successfully。But I use the HighGMac，there are some issues here。Show that LLC bytes are missing from the message。

the sever log is below：
Client address: 1 HighGMac authentication, Client address: 1, password:
Conformance:
[GET]
MaxReceivePduSize: 832 MaxSendPduSize: 65535

Security suite: SUITE_0
Security policy: []
Authentication key: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
Block cipher key: 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F

TCP/IP connection established.
TX: 7E A0 1E 03 03 73 40 CC 81 80 12 05 01 80 06 01 80 07 04 00 00 00 01 08 04 00 00 00 01 53 3B 7E
RX: 7E A0 6B 03 03 10 CF A9 E6 E6 00 60 5D A1 09 06 07 60 85 74 05 08 01 03 A6 0A 04 08 4D 4D 4D 00 00 00 00 00 8A 02 07 80 8B 07 60 85 74 05 08 02 05 AC 12 80 10 51 1A 77 02 04 0F 42 18 75 66 75 5A 70 29 6B 71 BE 23 04 21 21 1F 30 00 00 00 00 C8 78 0A 70 91 93 CB 02 83 8A A3 D2 6E DF 6B D1 76 D2 CD 8C E7 26 1A 04 DD 04 D7 9D 7E
TX: 7E A0 77 03 03 30 58 DC E6 E7 00 61 69 A1 09 06 07 60 85 74 05 08 01 03 A2 03 02 01 00 A3 05 A1 03 02 01 0E A4 0A 04 08 4D 4D 4D 00 00 00 00 01 88 02 07 80 89 07 60 85 74 05 08 02 05 AA 12 80 10 17 6E 12 21 65 0D 56 34 0A 72 69 0F 5F 39 33 63 BE 23 04 21 28 1F 30 00 00 00 00 C9 50 5D D6 FC 61 08 89 B3 0D 90 03 C8 79 7D 67 BC A6 80 F7 E9 5A 9C EE CA 1A AC 32 7E
RX: 7E A0 3F 03 03 32 25 0C E6 E6 00 CB 31 30 00 00 00 01 BD BB 1B A6 AC 9E 2D 5B 2B C7 20 A7 1F 14 20 56 AD 3B 9C 2E F2 23 03 72 03 09 5D 8B 5F FA 98 ED 3A C7 DF C9 C9 5C 32 61 AF AB 6A 4B 9D 4B 7E
TX: 7E A0 0C 03 03 52 1C 06 D8 02 02 18 96 7E
RX: 7E A0 07 03 03 53 80 D7 7E
TX: 7E A0 1E 03 03 73 40 CC 81 80 12 05 01 80 06 01 80 07 04 00 00 00 01 08 04 00 00 00 01 53 3B 7E
TCP/IP connection closed.

The following image is my configuration，Where is the problem？