@P, Pioline (Cognizant) We sincerely apologize for the delay in getting back. Due to the complexity of this issue, we had involved the Product Group team on to this. Here is the update from them:
Update:
This is a known issue that should be fixed in the next release.
Link to the fix: Single resource Reindex fixed by rajithaalurims · Pull Request #3522 · microsoft/fhir-server (github.com)
Once the fix is released, the issue shouldn't reoccur again. The ETA for fix would be one or two weeks.
** UPDATE**
Fix for this issue has been released and the issue hasn't occurred for more than a month now.
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