Date	08 Jun 2021
Authors	Joseph (Pepe) Kelly, Marcello Fabbri (Unlicensed)
Status	LiveDefect done. Investigating mitigations for the future
Summary	Some exported placements show an unknown ESR status (`?`) on TIS instead of correctly displaying their exported status (✔)
Impact	Inaccurate information regarding some placement’s ESR status

Action Items

Action Items	Owner	Status
Fix current Placements whose status is currently inaccurate	Edward Barclay	ongoing
Make the Inbound Data Writer service more resilient so it requeues the messages when TCS doesn’t respond	Marcello Fabbri (Unlicensed)	done
Check elsewhere in the ESR interface for places where requeuing would be appropriate	Marcello Fabbri (Unlicensed)	ongoing

...

Lessons Learned

Consider more carefully when it’s appropriate to requeue a message (re-attempt processing it) and when it’s ok not to requeue a message.