No matter how you like to participate in developer communities, Pulumi wants to meet you there. If you want to meet other Pulumi users to share use-cases and best practices, contribute code or documentation, see us at an event, or just tell a story about something cool you did with Pulumi, you are part of our community.

Pulumi Community

```
2019-07-25T10:23:20.7618225Z Diagnostics:
2019-07-25T10:23:20.7618650Z   pulumi:pulumi:Stack (profiles-sandbox):
2019-07-25T10:23:20.7620280Z     error: update failed
2019-07-25T10:23:20.7620503Z  
2019-07-25T10:23:20.7620651Z   aws:rds:Cluster (default):
2019-07-25T10:23:20.7620797Z     error: Plan apply failed: 1 error occurred:
2019-07-25T10:23:20.7621447Z         * updating urn:pulumi:sandbox::profiles::aws:rds/cluster:Cluster::default: Failed to modify RDS Cluster (profiles-mysql-aurora): InvalidParameterCombination: You currently can't modify EngineVersion with Aurora Serverless.
2019-07-25T10:23:20.7621983Z         status code: 400, request id: cdfb50b7-cb26-49a5-becc-48fb472e1a22
2019-07-25T10:23:20.7622213Z  
2019-07-25T10:23:20.7622765Z Resources:
2019-07-25T10:23:20.7622890Z     + 69 created
2019-07-25T10:23:20.7623010Z     ~ 5 updated
2019-07-25T10:23:20.7623155Z     2 changes. 49 unchanged
2019-07-25T10:23:20.7623266Z 
2019-07-25T10:23:20.7623390Z Duration: 3m26s
```

That error is coming back from the AWS API

Hmm. Still weird that it fails then works on subsequent tries

Agreed - it’s still an upstream error though