I'm keep getting this error. I tried all possible values.
Exception: Parameter [nickName] value is invalid SDK HTTP Error at https://platform.devtest.ringcentral.com/restapi/v1.0/account/~/extension/~/address-book/contact/ Response text: { "errorCode" : "InvalidParameter", "message" : "Parameter [nickName] value is invalid", "errors" : [ { "errorCode" : "CMN-101", "message" : "Parameter [nickName] value is invalid", "parameterName" : "nickName" } ], "parameterName" : "nickName" }