We have investigated the cause of the errors earlier today.
The cause of the problems was due to a new JSON serialiser that was part of today's deployment. As a side note, we can share that we process a lot of JSON, and we can gain a significant performance improvement with the new JSON serialiser, but we digress.
In one specific use case, we had not tested the new code, which resulted in 0.83% of Ingest API requests returning an error response in a scenario where the requests were supposed...