это у них глюк. вот Кумико Сан прислал письмо.
Thank you for sending the file.
We have checked your file and it has no problem.
Actually, we have found a bug that our system didn't recognize EPS
version information correctly, which caused the rejection.
We're deeply sorry for the inconvenience.
The bug is fixed now, so could you please try uploading them again?
Thank you for your understanding.