CMS Application - Execute - Fatal Error - java lang NullPointerException while running snapshot

On clicking on "take a snapshot of an application",an error is seen in GUI of CAST-MS as Exception during validation-java.lang.nullpointerException.

When seen in CAST-MS log, we can find the error as below:

Exception during validation
com.castsoftware.java.ExternalRuntimeException:Exception during validation
com.castsoftware.pmc.features.CreateArchitectureModel.checkValidation(CreateArchitectureModel.java:105)

1. Below is the step-by-step scenario leading to the problem:
2. Run the snapshot of the application

The impact of the problem on the analysis or the dashboard is : Analysis runs successfully but snapshot cannot be generated.

Check the Architecture Models tab in CAST MS, it might refer a path that is not mapped, so CMS does not find it.

To fix the problem, proceed as follows:

1. Map the network path mentioned in Architecture Models tab in CMS.
2. Take a snapshot.

Impact of the solution on the analysis or the dashboard is: Snapshot can be run.