Looijenga (2003) argues that the inscription shows evidence of scribal error.
Some scholars believe that this may be the result of a scribal error, and instead should really refer to Galilee.
The transmitted text is complete, but marred by many scribal errors.
Numerous other scribal errors have been noted on the monolith.
The copy contains many scribal errors, but also a number of readings superior to other versions.
The scribal errors are not numerous, but it has many textual divergences from the common text.
The last group of scholars regard "the seventh year" as a scribal error and hold that the two men were contemporaries.
Others tie it instead to Arwystli, though this is evidently the result of a scribal error.
The weight of the evidence, therefore, points to 1413, and 1400 is probably a scribal error.
This manuscript has 10,129 couplets and contains some scribal errors.