--- title: Validation error notifications in Decision Tree Builder description: Notifications of errors that you might encounter while building and activating a decision tree in Decision Tree Builder enable you to recover easily from errors. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/customer-service-management/validation-errors-builder.html release: australia topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Configuring decision trees in Decision Tree Builder, Configuring guidances and decision trees, Guided Decisions configuration, Agent tools, Organize agent workspaces, Configure, Customer Service Management] --- # Validation error notifications in Decision Tree Builder Notifications of errors that you might encounter while building and activating a decision tree in Decision Tree Builder enable you to recover easily from errors. \[Omitted image "gd-error-presentation.png"\] Alt text: Error presentation in Decision Tree Builder. ## Error display If there are missing values or incorrect configurations in a node or path, errors may appear during validation when saving or activating a decision tree. The errors are indicated in the following ways: - Error icons on nodes and paths that have errors - A label for a count of nodes and paths that have errors in the top-right corner - An alert message in the side panel showing a list of errors in the selected node or path For more information on errors and recovery across various nodes and paths, see [Validation errors](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/customer-service-management/ra-validation-errors.md).