When you say getting similar error, does that mean this is the exact same message you see?
ERROR [DSE main thread] 2021-12-20 06:42:50,217 CassandraDaemon.java:932 - Exception encountered during startup java.lang.RuntimeException: A node with address /x.x.x.x already exists, cancelling join. Use cassandra.replace_address if you want to replace this node.
at org.apache.cassandra.service.StorageService.checkForEndpointCollision(StorageService.java:790)
at org.apache.cassandra.service.StorageService.prepareToJoin(StorageService.java:1161)
at org.apache.cassandra.service.StorageService.initServer(StorageService.java:922)
at org.apache.cassandra.service.StorageService.initServer(StorageService.java:856)
at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:419)
at com.datastax.bdp.server.DseDaemon.setup(DseDaemon.java:541)
at org.apache.cassandra.service.CassandraDaemon.activate0(CassandraDaemon.java:754)
at org.apache.cassandra.service.CassandraDaemon.access$100(CassandraDaemon.java:88)
at org.apache.cassandra.service.CassandraDaemon$3.run(CassandraDaemon.java:715)