If the primary button describes nothing, 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
Generic wording hides what happens next.
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
Use a label that describes the immediate action and expected destination.
A landing page should continue the promise that brought the visitor there and make the next action easy to understand.
Check that the repair worked
Click the button and confirm that the destination fulfills the label.
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: landing page copy does not match the ad. Repeat the specific offer and audience expectation established by the ad.
Monitor the useful outcome
Measure completed relevant actions per eligible visit, with device and traffic source breakdowns.
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.