Operational symptoms that indicate measurement debt is already influencing product decisions.
The visible warning signs
Watch for KPI definitions that change by meeting, events with unexplained volume shifts, more than one user identifier per person, campaign totals that cannot be reconciled within a known tolerance, dashboards with unnamed owners, and releases that ship without analytics QA.
The costly hidden sign
The seventh sign is avoidance. When experienced team members stop asking questions because obtaining an answer takes too long or triggers an argument about data quality, measurement debt is constraining the product process.
Audit the chain, not the chart
A useful audit traces a business question through specification, collection, transport, transformation, and reporting. Fixing one dashboard without understanding upstream semantics often creates a cleaner view of the same unreliable data.