So have just completed the migration of OG into JSM. The Sync config under Settings, Operations, I thought would create and update incidents from Alert. But it didnt. So I created an automation to create and tried to create one for update:

I did a test against an alert that has a linked issue
It failed and the logs show:

Everything (not a lot) that I could find states this is how to do it; but I cant make the branc work.
Any ideas, solutions, etc appreciated.