Eigenvalus analysis in PSSE

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Hello! I am trying to perform a small signal stability analysis on PSS E, but when I run the dynamic simulation "Launch eigenvalue analysis" I get this error: UnboundLocalError: local variable 'strValue' referenced before assignment

There may have been an issue running Python file: C: \ Program Files (x86) \ PTI \ PSSEXplore34 \ PSSBIN \ pssneva.py

I need your help