Errors on dalivery App IOS to Apple store

Dear Community,
Please help to fix it, when I upload IOS App to the Apple store its show these warning:
"WARNING ITMS-90176: “Unrecognized Locale - The locale names used in localization directories at ( “Payload/” ) are invalid. iTunes supports BCP47 but not the UN M.49 specification. Refer to the Language and Locale Designations guide at for more information on naming your language-specific directories.”