When your system has finished running, you can inspect the MOP3 results with the optiSLang postprocessing.
Right-click the MOP3 node and select from the context menu.
or
Set the file path to the result of the MOP3 node (usually MOP3(Beta)omdb) in a Postprocessing node and let it run.
or
Connect the output slot of the MOP3 node with the input slot IMDBPath of a Postprocessing node and let it run.