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Description
Some projects had the sentinel/prefix actions in their stack trace rules (which we deprecated yesterday). I had to manually comment out those rules for the handful of projects that had them, however, this will be problematic for more widespread actions.
This affected ingestion (bad) but also the grouping details section (no impact on customers).
The stack trace rules are stored with the event, thus, "Show group details" does not work since it tries to use the rules it had at that time (which are now invalid). After 90 days those events will be gone.
If you visit an issue/event that had the rule at the time it will show this message when trying to show grouping details:
