I am using the UMAT code hypoplasticity provided by Prof. Masin — https://soilmodels.com/download/plaxis-umat-hypoplas-zip/. I am simulating a very small and very basic analysis in Abaqus. I made basic cubic model, applying pressure in top uf surface and fixing bottom.

The problem is when I run the model using the UMAT code, it completes perfectly without any error message but i want to check the results then i got this error/warning message. Has anyone encountered this problem before and/or know the solution to this problem? Could there be a problem with the Umat file?



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