error_optistruct

i am getting below error while performing simulation
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yes..sure here i m attaching output file..
i m using non lin quasistatic analysis

Could you try running this job in latest version.(HyperWorks Solvers-2018)
I see you also have one warning in the out file related to TABLES1 card.Please refer our free eBook on OptIStruct nonlinear analysis using below link.
If possible refer 3.1.3 Plasticity Setup in OptiStruct – MATS1 in the Book.

yes. i have already gone through the above ebook. mat data is from the test data. same mat data with other iterations are working .but this file showing the above error(image shared)
i want to know what is *** INTERNAL PROGRAMMING ERROR ***
in file 'gapss_checks.F', at location # 167.
and how to find this in input file

As per Release notes, resolved issue section, i see we had some issues with 2017.2 version using NLOUT card which is fixed in OptiStruct 2017.2.1.(Do you have NLOUT in your deck?)See attached screen shot from help.As suggested please try running in latest version and check.

So the latest version is HyperWorks Solvers-2018 with Hotfix: HyperWorks Solvers-2018.0.1
This Hotfix also fix one of the Internal Programming error. PFA screenshot of release notes.
Could you please share the type of analysis you are running and version of OptiStruct? If possible share .out file.