It's because you have no epic classes to qualify, regardless of the skill prereq.
You can try changing the value under ReqSkillMinRanks in the feat.2da if you are having trouble meeting the Spellcraft prereq.
Turning epic spells into standard spells is a far more complicated undertaking than changing 2da values.
edit: I stand corrected. Kudos to ShaDoOoW for spelling it out so even a novice can do it.
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Modifié par HipMaestro, 15 janvier 2011 - 06:41 .