Hi :
We have installed all required component for SAP Fiori and backend ECC system. We have also installed all required OSS notes as per SAP Fiori guide.
we have assigned required roles and created trusted RFC connections and managed SAP system alias as per Fiori configuration guide.
when we try to login on Fiori home page we are able to see PO approval and PR approval tile as per below screenshot. when we click on PR approval tile we are getting error as workflow task collection error as per below screenshot.
i am attach screenshot and trace XML files.