Big-IQ error while creating pool member via REST API

I'm trying to add a pool member to a pool. The node and pool already exist.

 

POST https://bigiq.example.com/mgmt/cm/adc-core/working-config/ltm/pool/c9e9cefc-255b-3388-946f-c5837fcfe187/members

 

BODY

 

{ "partition": "Common", "name": "myNode:80", "port": 80, "nodeReference": { "link": "{{link}}" } }

 

RESPONSE

 

{ "code": 400, "message": "pool member name mismatch. expect: null:80 actual: myNode:80", "originalRequestBody": "{\"connectionLimit\":0,\"port\":80,\"priorityGroup\":0,\"rateLimit\":\"disabled\",\"ratio\":1,\"sessionConfig\":\"user-enabled\",\"stateConfig\":\"user-up\",\"parentInfo\":{\"partition\":\"nonprod_internal\",\"deviceReference\":{\"id\":\"9e90e19a-604a-46b4-b1df-a0db66ffbc2c\",\"name\":\"dc2adc1.dcsg.com\",\"kind\":\"shared:resolver:device-groups:restdeviceresolverdevicestate\",\"machineId\":\"9e90e19a-604a-46b4-b1df-a0db66ffbc2c\",\"link\":\"\"},\"name\":\"myPool\",\"id\":\"c9e9cefc-255b-3388-946f-c5837fcfe187\",\"generation\":0,\"lastUpdateMicros\":0,\"selfLink\":\"\"},\"nodeReference\":{\"address\":\"10.224.92.31\",\"kind\":\"shared:resolver:device-groups:restdeviceresolverdevicestate\",\"link\":\"\"},\"partition\":\"Common\",\"name\":\"myNode:80\",\"id\":\"c1a5d170-1dfb-355d-92db-8c70a2aba67c\",\"generation\":1,\"lastUpdateMicros\":1543932162762191,\"kind\":\"cm:adc-core:working-config:ltm:pool:members:adcpoolmemberstate\",\"selfLink\":\"\"}", "referer": "10.10.10.1", "restOperationId": 1262773577, "errorStack": [], "kind": ":resterrorresponse" }

 

I'm following this site:

 

https://clouddocs.f5.com/products/big-iq/mgmt-api/v6.0/HowToSamples/bigiq_api_modules/t_create_simple_application.html