Lockloss at 5:40:50 - Detector taken out of Observing by SDF Diff (see below for systems) and pushed into Commissioning, and then we lost lock.

Here are the alerts :

ISC_LOCK
2023-07-25_05:40:49.216400Z ISC_LOCK [NOMINAL_LOW_NOISE.run] USERMSG 0: SQZ_MANAGER: has notification
2023-07-25_05:40:49.592132Z ISC_LOCK [NOMINAL_LOW_NOISE.run] Unstalling IMC_LOCK
2023-07-25_05:40:49.948367Z ISC_LOCK JUMP target: LOCKLOSS
2023-07-25_05:40:49.948367Z ISC_LOCK [NOMINAL_LOW_NOISE.exit]
2023-07-25_05:40:49.948367Z ISC_LOCK STALLED
2023-07-25_05:40:50.012243Z ISC_LOCK JUMP: NOMINAL_LOW_NOISE->LOCKLOSS