If customers reach a dead end after useful content, start by preserving one representative example. It gives the investigation a concrete reference and makes the eventual correction easier to judge.
Find the likely cause
The next relevant resource is not discoverable.
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
Add contextual links based on the reader's likely next question.
A journey map is useful when it identifies the questions that prevent a customer from taking the next appropriate step.
Check that the repair worked
Follow the path from a common entry page to a meaningful action.
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: the journey map assumes every buyer follows the same sequence. Allow multiple entry points and routes between useful answers.
Monitor the useful outcome
Track unresolved questions and useful movement between related resources.
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.