Custom baseline screen does not display node types

Symptom:

SUM does not display a node type when filtering source for a custom baseline.

Solution 1
Cause:

The source baselines might not contain components for that node type.

Action:
  1. Make sure that the baseline includes components for the node type.
Solution 2
Cause:

A node type might be clear.

Action:
  1. Deselect all node types in Advanced filters to see all components in baseline sources and then select the components you want to add to the baseline.