Issue 18080: Location: 18.2 Classifier Descriptions Use Case Constraints. 697 - At least one actor (uml25-ftf) Source: Lockheed Martin (Mr. Michael Jesse Chonoles, michael_chonoles2(at)omg.org) Nature: Uncategorized Issue Severity: Significant Summary: current text (696): A UseCase specifies a set of actions performed by its subject, which yields an observable result that is of value for one or more Actors or other stakeholders of the subject Missing OCL to enforce this constraint. Resolution: Revised Text: Actions taken: September 28, 2012: received issue Discussion: End of Annotations:===== s is issue # 18080 Problem: 18.049 Severity: Medium Type: Missing material Location: 18.2 Classifier Descriptions Use Case Constraints. 697 Title At least one actor Description: current text (696): A UseCase specifies a set of actions performed by its subject, which yields an observable result that is of value for one or more Actors or other stakeholders of the subject Missing OCL to enforce this constraint. Source: Michael Jesse Chonoles