ERROR MESSAGE: *****SYSTEM ERROR IN PHYSICAL PROPERTY SYSTEM FAILED TO GET OLI REGISTRY KEY.
Analysis: This is an Aspen Plus error message when running a model with OLI electrolytes. The user does not have the OLI Engine for Aspen Plus installed.
See the article "Configuring the OLI Engine for Aspen Plus®" for updated instructions for installing the universal build for the OLI Engine X.X for Aspen Plus.