Ajout controle en cas de dysfonctionnement + etat de l'instance
Merge branch 'pascal'
Revert "Merge branch 'pascal'"

This reverts commit 7efa6f097b9dee21b34f1f88807bfcaca534e3b8, reversing
changes made to 1b06a5d3ab447a73bf056d222af48691f3b68ec7.