IMPORTANT NOTICE: As of 21 February, anything posted in this community WILL NOT BE MIGRATED to our new community site. We have pulled all user information and data from this site and are now in an approximately week long process of importing users, roles, and data to our new site. We are leaving this site open and active so you can post and hopefully get a response until the migration is complete. Once complete, the URL that currently takes you to this site will take you to our new site so your bookmarks will work as always. Please read the information on a New Login Process
When using the composite tools of analysis tools in the enterprise menu, a window which represents a data structure displaying
Children of data item
Analyze a statement
Parent data items
Even though specific properties are set as well as the tools, an error message saying "Tool stack returned error status" and next error message "This tool requires an input set to operate".
What do these messages mean?
This particular composite tool requires an input set, once that input set is dropped on this composite tool, it will give back the appropriate set of information. If the Composite tool has an analysis tool that requires a set but none is provided, the subsequent tools will deliver errors based on what it is expecting.
For this example, stack, will either Put, Push, Peek or Discard the set, it will then follow those instructions to "Children of data item", which is going to produce another set to be put in "Analyze a statement" and then UNION with the resulting set of "Parent Data items" and that's how it works. If no Set is dropped on this tool and it's just "double clicked" on the tool, then the errors occur.