Solution
In order to run a VI using the RunVI operation, the VI must have the correct connector pane, as shown below.

The controls and indicators must have the types below:
Terminal | Data Type | Description |
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|

| Command line arguments for the VI. |

|

| CLI for LabVIEW exit code that the VI returns. |

|

| Output or error information to include in the CLI for LabVIEW console or log file. |