Our team utilizes a flow for new hire reviews that was working until 8/15. On that date, it suddenly failed with an error at an "apply to each" step:
Action 'Apply_to_each' failed: The execution of template action 'Apply_to_each' failed: the result of the evaluation of 'foreach' expression '@body('Create_an_approval')?['approvers']' is of type 'Null'. The result must be a valid array.
This step references the approvers from the "create an approval step", but looking at the outputs of create an approval, there is no approver array being produced anymore. There are still valid emails in the "Assigned to" field... again, the flow did not change.
Is anyone else experiencing this, and how can it be fixed?
I don't know for sure if the output has changed, but I would take the entire output (pre-your failed step) and put it in some JSON Viewer, so you can look closely at it and see if you can see the change.
Otherwise, there is either a bug in the flows (which I dont see the flows so i cannot comment on them), or at the Microsoft level, which requires them.
Those are the only 2 things that seem reasonable to do.
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