Hello, I downloaded and installed the VM version of STIR, but when I try to run simulations I got this error. I researched for the error but there was no solutions. Can you help me about this error? I'm studying for a project for the thesis, so it's a little bit important. Thanks in advance.

Hello, I downloaded and installed the VM version of STIR, but when I try to run simulations I got this error. I researched for the error but there was no solutions. Can you help me about this error? I'm studying for a project for the thesis, so it's a little bit important. Thanks in advance.
