BC66 CoAP command error

Hi there, I am using BC66-TE-B board and has updated it to version BC66NBR01A11. I am trying to use CoAP command but every command in CoAP application note return an error. Kindly please advice.

Sorry for the late reply.Please use AT+QGMR to query the specific version of the module.Some version may not support COAP.