When the outline answers advanced questions before prerequisites, another broad rewrite or another batch of output may leave the underlying problem intact. Diagnose the relevant failure before changing the whole process.
Find the likely cause
Sections follow brainstorming order rather than learning order.
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
Move definitions and required setup before dependent instructions.
A strong outline orders the questions a reader must answer to move from confusion to a useful conclusion.
Check that the repair worked
Have a newcomer identify where they would first get stuck.
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: several headings repeat the same idea. Write a one-sentence purpose for each section and merge overlaps.
Monitor the useful outcome
Measure missing sections and structural revisions identified during drafting and review.
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.