The symptom is specific: no one owns outdated content. Start with the affected item and identify the decision or input that could produce this behavior.
Find the likely cause
Ownership ended at publication.
Treat this as an explanation to verify against the actual work. Look at the input, the relevant decision, and the final result together. If the evidence does not support this diagnosis, investigate the mismatch before applying a convenient but unrelated fix.
Make the targeted correction
Assign a maintenance owner and a review trigger to important pages.
Content governance makes it clear who can create, approve, update, and retire material as business facts change.
Check that the repair worked
Every active page should have a clear route for corrections.
Repeat the check on the final version that the reader or customer will encounter. An approved draft, a preview, and a published result can differ; the acceptance decision should concern the version people actually use.
Prevent the next related failure
A separate issue to watch for is this: approval workflows delay harmless wording changes. Differentiate factual, structural, and minor editorial changes.
Monitor the useful outcome
Track overdue reviews, contradictory pages, and unresolved ownership questions.
Keep a short record of the original symptom, the evidence behind the diagnosis, and the result of the acceptance check. That record makes the solution reusable when the same condition appears again, without assuming that every superficially similar problem has the same cause.