Error while configuration discovery of F5 LTM Device On BIG IQ

For BIG-IQ I just get the below output: https://<Big IQ Mgmt IP>/mgmt/tm/ltm/virtual

{"kind":"tm:ltm:virtual:virtualcollectionstate","selfLink":"https://localhost/mgmt/tm/ltm/virtual?ver=12.1.1"}

For F5 LTM i am able to fetch the entire config https://<LTM Mgmt IP>/mgmt/tm/ltm/virtual

{"kind":"tm:ltm:virtual:virtualcollectionstate","selfLink":"https://localhost/mgmt/tm/ltm/virtual?ver=14.0.0","items":[{"kind":"tm:ltm:virtual:virtualstate","name":"GStestVIP1","partition":"Common","fullPath":"/Common/GStestVIP1","generation":1,"selfLink":"https://localhost/mgmt/tm/ltm/virtual/~Common~GStestVIP1?ver=14.0.0","addressStatus":"yes","autoLasthop":"default","cmpEnabled":"yes","connectionLimit":0,"creationTime":"2019-10-24T10:56:45Z","destination":"/Common/225.10.9.1:80","enabled":true,"gtmScore":0,"ipProtocol":"any","lastModifiedTime":"2020-03-06T10:20:15Z","mask":"255.255.255.255","mirror":"disabled","mobileAppTunnel":"disabled","nat64":"disabled","pool":"/Common/GStestpool1","poolReference":{"link":"https://localhost/mgmt/tm/ltm/pool/~Common~GStestpool1?ver=14.0.0"},"rateLimit":"disabled","rateLimitDstMask":0,"rateLimitMode":"object","rateLimitSrcMask":0,"securityNatPolicy":{"useDevicePolicy":"no","useRouteDomainPolicy":"no"},"serviceDownImmediateAction":"none","source":"0.0.0.0/0","sourceAddressTranslation":{"type":"none"},"sourcePort":"preserve","synCookieStatus":"not-activated","throughputCapacity":"infinite","translateAddress":"enabled","translatePort":"enabled","vlansDisabled":true,"vsIndex":5608,"policiesReference":{"link":"https://localhost/mgmt/tm/ltm/virtual/~Common~GStestVIP1/policies?ver=14.0.0","isSubcollection":true},"profilesReference":{"link":"https://localhost/mgmt/tm/ltm/virtual/~Common~GStestVIP1/profiles?ver=14.0.0","isSubcollection":true}},{"kind":"tm:ltm:virtual:virtualstate","name":"GStestVIP2","partition":"Common","fullPath":"/Common/GStestVIP2","generation":1,"selfLink":"https://localhost/mgmt/tm/ltm/virtual/~Common~GStestVIP2?ver=14.0.0","addressStatus":"yes","autoLasthop":"default","cmpEnabled":"yes","connectionLimit":0,"creationTime":"2019-10-24T10:57:00Z","destination":"/Common/225.10.9.2:80","enabled":true,"gtmScore":0,"ipProtocol":"any","lastModifiedTime":"2019-10-24T10:57:00Z","mask":"255.255.255.255","mirror":"disabled","mobileAppTunnel":"disabled","nat64":"disabled","pool":"/Common/GStestpool2","poolReference":{"link":"https://localhost/mgmt/tm/ltm/pool/~Common~GStestpool2?