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Entity Exits System Before Releasing

During the simulation run the following message is received:

(Error, Entity_exits system before releasing all captured resources!)

Entity exits system before releasing all captured resources!)


A resource was captured using a Get or JointlyGet statement but not Free’d before exiting. The entity left the system with a resource still attached. The engine recognizes this as an error because the model will soon run out of resources and not be able to function.


The problem is easy to find using a process of elimination. Place a FREE ALL at all exit points of the model, then remove the statements one by one until offending activity(s) can be determined. Follow the chain of activities backward until it can be determined why a resource was captured without a corresponding Free.

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Scott Baird has been president of ProcessModel for more than 15 years. His focus has been to teach others how to improve processes dramatically. He has been successful in transferring these skills to over 200 companies, including ESPN, NASA, GE, Nationwide, Cendant, SSA and many more. Specialties: Group facilitation for process improvement, process design and simulation, simulation modeling, business management and training others to see opportunities. Scott loves to teach process improvement and has often been heard to say, “Of all the things I do, training others to improve processes is my favorite.” Scott is a father of four and a grandfather of eight. He is an avid woodworker, designing and creating presentation boxes. In his spare time, he volunteers in a college preparation program.