can not connect

Timed out after 30000 ms while waiting for a server that matches com.mongodb.Mongo$4@683b93dd. Client view of cluster state is {type=REPLICA_SET, servers=[{address=kxnbis-shard-00-01-hmp7e.mongodb.net:27017, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSecurityException: Exception authenticating MongoCredential{mechanism=null, userName='kerwinfs', source='admin', password=<hidden>, mechanismProperties={}}}, caused by {com.mongodb.MongoCommandException: Command failed with error 8000: 'bad auth Authentication failed.' on server kxnbis-shard-00-01-hmp7e.mongodb.net:27017. The full response is

{ "ok" : 0, "errmsg" : "bad auth Authentication failed.", "code" : 8000, "codeName" : "AtlasError" }

}}, {address=kxnbis-shard-00-00-hmp7e.mongodb.net:27017, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSecurityException: Exception authenticating MongoCredential{mechanism=null, userName='kerwinfs', source='admin', password=<hidden>, mechanismProperties={}}}, caused by {com.mongodb.MongoCommandException: Command failed with error 8000: 'bad auth Authentication failed.' on server kxnbis-shard-00-00-hmp7e.mongodb.net:27017. The full response is

{ "ok" : 0, "errmsg" : "bad auth Authentication failed.", "code" : 8000, "codeName" : "AtlasError" }

}}, {address=kxnbis-shard-00-02-hmp7e.mongodb.net:27017, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSecurityException: Exception authenticating MongoCredential{mechanism=null, userName='kerwinfs', source='admin', password=<hidden>, mechanismProperties={}}}, caused by {com.mongodb.MongoCommandException: Command failed with error 8000: 'bad auth Authentication failed.' on server kxnbis-shard-00-02-hmp7e.mongodb.net:27017. The full response is

{ "ok" : 0, "errmsg" : "bad auth Authentication failed.", "code" : 8000, "codeName" : "AtlasError" }

}}]