I'm sorry to dig up this issue a year and a half later, but I stumbling upon the exact same problem in v7.1.1 when I'm trying to use a custom approval procedure I created.
Unfortunately, the picture you linked is not visible. I'm trying to follow the linked but I can an "Access denied" error even though I'm logged in using my Dell account.
Would you be able to post the picture again but in a way that would be visible ?
exec QER_PITShopHelperFillAll @DecisionRules='####' with the '####' replaced by the UIDs thePWODecisionRules objects that must be recalculated, separated by a '|' (pipe) character.