KB-1563 Expected a numeric id when trying to create the drillpath token

Symptoms

When loading a report in /designer, users may see the following error in the application server log:

ERROR com.appiancorp.process.analytics2.display.DrillPathTokens - Expected a numeric id when trying to create the drillpath token: null

Cause

The error is generated when a process report has a drilldown that contains an expression in its column definition which evaluates to null.

Action

To resolve this error message, ensure the expression in the drilldown does not evaluate to null.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: April 2018

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