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The SUBCASE ID in ATT1 field of DRESP1 1 does not refer to a modal FRF subcase.

Altair Forum User

Hello everybody,

I have a problem with optimizing in hypermesh (optistruct).

I get the following error message:

*** ERROR # 5617 ***
The SUBCASE ID in ATT1 field of DRESP1 1 does not refer to a modal FRF subcase.

*** Run terminated because of error(s) in the input data.

I actually did the same as in tutorial OS 3010.

I hope you can help me

My model is attached

pangelo.

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Altair Forum User

Hi @Pangelo

I have shared a file to your registered email. Please run the same and check the results.

Barun Biswas

Hi @Pangelo

I have shared a file to your registered email. Please run the same and check the results.

Please share the with me. I am also faceing the same problem.