OptQuest Error - A variable name has been duplicated

[ozawa_shinya]

[ FlexSim 22.0.4 ]

Hi,

OptQuest Error occures in the following model, OptQuestError-A_variable_name_has_been_duplicated.fsm in the FlexSim Cloud.

The error message said it's a variable name problem, but I don't think so.

What does this error mean?

Thanks in advance

[JordanLJohnson · Accepted solution]

This is a bug. I will add it to the dev list to get it fixed. It happens because OptQuest sees a sequence as many variables instead of one. So FlexSim generates a name for each of the sequence values. Right now, it generates those names by concatenating an index with the parameter name. So for Sequence14, it generates:

• Sequence141
• Sequence142
• ...
• Sequence1410
• Sequence1411
• ...

And for Sequence141, it generates:

• Sequence1411 (which duplicates the 11th value from the previous sequence)
• Sequence1412
• ...

Until this bug is fixed, you'll have to avoid this bug by ensuring that if you have multiple sequence parameters, that their names don't end in a digit (1-9).

[JordanLJohnson]

Or you could use leading zeros in your parameter names: Sequence041, Sequence141. Again, that's just a workaround until the bug is fixed.

[Jeanette_Fullmer]

Hi @Shinya O, was Jordan Johnson's answer helpful? If so, please click the "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always unaccept and comment back to reopen your question.

[ozawa_shinya]

Is this bug fixed?

[Jeanette_Fullmer]

Hello @Shinya O,

This was fixed in 22.0.7

[ozawa_shinya]

Thank you for your information.

[maryamh11]

Hi @Jeanette F

I'm using version 24.1.0 and also got this error (A variable name has been duplicated). my variables had 1-9 at the end, i changed them to something alphabetical and the error is gone.

[Jeanette_Fullmer]

Hello @Maryam H2,

We were not able to replicate this issue in 24.1.0. Could you provide a sample model that demonstrates this issue?

[maryamh11]

@Jeanette F i don't know if i can create a sample modle for this. Can we meet instead?

[Jeanette_Fullmer]

Hello @Maryam H2,

Yes, I emailed you times that I could meet to go over your model. We can discus this at that time as well.