Altair Hyperworks #short #error - ERROR # 557: DRESP 1 is not referenced above the first SUBCASE... @ManuelRamsaier
Altair Hyperworks #short #error - ERROR # 557: DRESP 1 is not referenced above the first SUBCASE...  @ManuelRamsaier
Uploaded July 2023 | Updated September 2026, 2 weeks ago
One of the more trickier errors but easy to solve is the ERROR # 557. It appers when switching from a compliance based optimization (objective = min(comp)) to a weighted compliance based optimization.

As you change it, you no longer need the reference to one subase in the objective definition - but this is not automatically updated - hence the #bugreport.

Solution: You just re-create the objective and you are fine :)


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Altair Hyperworks #short #error - ERROR # 557: DRESP 1 is not referenced above the first SUBCASE...

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