Why do I see a complete white screen when viewing the alpha of the Roto node instead of the roto shapes?

Articles in this section

• How do I disable 0 opacity roto shapes in the Viewer?
• How do I reset the Silhouette preferences?
• How do I to turn on enhanced logging for troubleshooting?
• Locating the Silhouette diagnostic log
• What isn't my sequence collapsed in the browser with Detect Sequences enabled?
• When I select the Paint node, why is there a question mark icon in the Viewer instead of my paint strokes?
• Why do I see a complete white screen when viewing the alpha of the Roto node instead of the roto shapes?