If a CTA attracts clicks but few completed actions, 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 step is harder or different from what was implied.
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
Explain relevant requirements before the click and inspect destination friction.
A call to action should tell the reader what they can do next and why that step fits the information they just received.
Check that the repair worked
Measure completion after the click to assess the change.
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: buttons use vague labels such as get started. Describe the immediate next step in ordinary language.
Monitor the useful outcome
Track relevant completions after the click, not button clicks alone.
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.