Error accessing PSIM file using SIMCOUPLER block in SIMULINK

Everytime I click on the browse option in SIMCOUPLER block I get this error. Please help me resolve this

Cannot find an exact (case-sensitive) match for 'PsimDialog'

The closest match is: PSimDialog in C:\Program Files (x86)\Powersim\PSIM9.1.1_Trial\PSimDialog.m

Error while evaluating UIControl Callback.