Thread:Semantic-mediawiki.org:Community portal/Meaning of "prehistoric" in the context of datatypes

Hi everyone,

Today I am nosy hehe. Translating SMW I have another doubt, in addition to my last thread opened. The string in question is:
 * "Unable to interpret a prehistoric "$1" input value. For example, having specified more than years or a calendar model may return unexpected results in a prehistoric context" (link to TranslateWiki).

I would like to know what is the meaning of "prehistoric" in this case to know if I translated it fine, or if there is another word in Spanish for that sense. In Spanish, "prehistoric" is "prehistórico/a" and has two meanings:


 * 1) Part of or related with a period studied by the Prehistory.
 * 2) Antiquated, old.

If "prehistoric" in the context of a datatype refers to antiquated or old, in Spanish I suggest to use "anticuado". Is it refers to any of those meanings?

Thanks in advance!

Regards