It is normal Quaestor behaviour that, when a parameter with a SYS property cannot be calculated, it will request non-determinable parameters as input to the user. When you really do not want this to happen, you can use this attribute. For example, when this parameter is calculated using a relation which contains data that should be known and when not, further calculations will be useless and the process should be stopped.
Member of functional group: Modeling
Member of knowledge base type: Classic and general type, Scenario type and Taxonomy type
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