BLAS stands for Basic Linear Algebra Subprograms. BLAS provides standard interfaces for linear algebra, including BLAS1 (vector-vector operations), BLAS2 (matrix-vector operations), and BLAS3 (matrix-matrix operations).
As per the documentation, if your application is already multi-threaded, it will conflict with OpenBLAS multi-threading. Therefore, you must set OpenBLAS to use a single thread.
So, it seems that your application is conflicting with OpenBLAS multi-threading. You need to run the followings on the command line and it should fix the error: