We are rarely and seemingly randomly getting an error message at the last stage of a Human Resources Workflow that does the following: renames personnel documents based on metadata, files those documents in a folder structure based on metadata, assigns records management properties, and finally creates a document shortcut in a separate folder. The message is "Create Shortcut in Manila Structure Path contains empty components. Parameter name: path" 

This has happened only 33 times out of 4,635 instances of this workflow over the past year, and the 33 times are isolated to only 4 different employees.  In a couple of cases, the employee folder already existed and documents had previously stored to their folders, in other cases the employee folders were new.  When I manually copy a shortcut to the folder, it works without issue. Here is a screenshot of the activity configuration...