Not able to add other members to replica set

m103-repl:PRIMARY> rs.add("m103:27002")
{
        "operationTime" : Timestamp(1625929232, 1),
        "ok" : 0,
        "errmsg" : "Either all host names in a replica set configuration must be localhost references, or none must be; found 1 out of 2",
        "code" : 103,
        "codeName" : "NewReplicaSetConfigurationIncompatible",
        "$clusterTime" : {
                "clusterTime" : Timestamp(1625929232, 1),
                "signature" : {
                        "hash" : BinData(0,"uwu6kmMM8UDQcC06Ka/6KZgTHt0="),
                        "keyId" : NumberLong("6983300035098181633")
                }
        }
}

Yo cannot have mix of local & non localhost in your replicaset configuration
Check bindip param in your config file
or rs.status(),rs.conf() will show how the first node looks
Use same host while adding other nodes