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LP-EM-CC2340R5: error message from BTool when using "hci_le_enhancedreceiver test" command

Part Number: LP-EM-CC2340R5
Other Parts Discussed in Thread: CC2340R5

Hi expert,

hardware: CC2340R5 launchpad

SDK: simplelink_lowpower_f3_sdk_7_10_00_35

fw on CC2340R5: host test example in sdk

btool: the tool in simplelink_lowpower_f3_sdk_7_10_00_35

when I use BTool, I set the command below for per test.

hci_le_enhancedreceiver test

it shows error below from log. 

--------------------------------------------------------------------
[18] : <Tx> - 04:19:14.974
-Type : 0x01 (Command)
-OpCode : 0x2033 (HCI_LE_EnhancedReceiverTest)
-Data Length : 0x03 (3) byte(s)
RxChannel : 0x00 (0)
Phy : 0x01 (1) (Phy 1 Mbps)
DtmModeIndex : 0x01 (1) (Stable Modulation Index)
Dump(Tx):
0000:01 33 20 03 00 01 01 .3 ....
--------------------------------------------------------------------
[19] : <Error> - 04:19:14.997
Could Not Convert All The Data In The Following Message
Unable to read beyond the end of the stream.
(Message Maybe Missing Data Bytes To Process)
--------------------------------------------------------------------
[20] : <Rx> - 04:19:14.997
-Type : 0x04 (Event)
-EventCode : 0x000E (HCI_CommandCompleteEvent)
-Data Length : 0x04 (4) bytes(s)
Packets : 0x01 (1)
OpCode : 0x2033 (HCI_LE_EnhancedReceiverTest)
Status : 0x21 (33) (ROLE_CHANGE_NOT_ALLOWED)
Dump(Rx):
0000:04 0E 04 01 33 20 21 ....3 !
--------------------------------------------------------------------

Anything wrong here and how to fix it?

BR,

frank