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OK - but that is not necessarily a fault since there are plenty of runways at small airfields which don't have a runway link
Runway centre lines are used only by Ai aircraft. The designer is the only person who knows whether to allow AI. So he also knows to add a centre-line.
It should not be the job of the fault finder.
BTW. The same applies to hold-short nodes. The fault finder does not check whether any are missing. Nor should it.