Consistent usage of Pools

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It is important to be consistent in defining process owners (usually an organization) and other roles in your diagrams. Using Pools facilitates this.

If you want to represent responsibilities in a process, the correct usage of Pools and Lanes is important. To comply with this rule, all modeled elements must be contained within a Pool.

If this error is displayed, check if all modeled elements are contained within a Pool. This is necessary so that every element has a responsibility value assigned.