Error code -90 happens due to the issue of Intel OpenMP library on windows platform. This is a known issue and was fixed in OptiStruct 2020.1.1 and 2021.

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UD_21543 New Altair Community Member
edited April 15 in Altair HyperWorks

Hyperworks Tips & Tricks

 

OptiStruct – ERROR # 3423


Product Version: OptiStruct 2020.1 or below

 

Topic description: Error code -90 happens due to the issue of Intel OpenMP library on windows platform. This is a known issue and was fixed in OptiStruct 2020.1.1 and 2021.

 

General Overview

Run a NLSTAT model and get the below error at the last increment in the .out file:

image

Figure 1. ERROR # 3423 in the .out file

 

Error code -90 happens due to the issue of Intel OpenMP library on windows platform. This is a known issue and was fixed in OptiStruct 2020.1.1 and 2021.

 

If the problem still persists, please contact support and provide the .out and .stat files.

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