Unable to upload EPUB
I get this error when i want to upload my PDF file , it has more than 90 pages but still I can't upload it , i can upload the cover with no problem though , have no idea why is that ?
ERROR
ITMS-9000: Iranian Mythology - Darvish Khan.epub: There are 121
additional locations for this message.(-1): [RSC-005] Error while
parsing file: value of attribute "lang" is invalid; must be an RFC 3066
language identifier. This error occurs 26 times. (For more information
refer to https://help.apple.com/itc/booksassetguide)
ERROR
ITMS-9000: Iranian Mythology - Darvish Khan.epub: There are 121
additional locations for this message.(-1): [RSC-005] Error while
parsing file: value of attribute "xml:lang" is invalid; must be an RFC
3066 language identifier. This error occurs 26 times. (For more
information refer to https://help.apple.com/itc/booksassetguide)
I get this error when i try to upload my epub
