Errors are considered acceptable under these  You have assessed the associated risk and found the errors are not significant enough to cause a reasonable person, aware of the errors, to doubt a finding, conclusion, or recommendation based on the data.
As long as you have assessed the risk, errors are acceptable.
Celebrating Trajan's campaigns against the Dacians in what is now Romania, the minutely detailed friezes spiraling around the column constitute a veritable textbook of Roman warfare utilizing some 2,500 figures.