1. https://userconsole-a.qa.cld.elstc.co/deployments/create
2. Leave defaults (Kibana 7.8.0). Click Customize deployments
3. Click User Settings Overrides under the Kibana section and enter xpack.ingestManager.enabled: true
4. wait ...
5. open Kibana. Expand side nav. Click Ingest Manager link
6. wait ...
7. Get logs-index_pattern_placeholder could not be created

I tried with the default 7.8.0 and 7.8.0-SNAPSHOT builds and got the same error both times.

The network tabs shows a request to /api/ingest_manager/setup which fails with a 500

The first time I did this I got but I've not seen it in any deploys since