iOS Question The bundle is invalid

I trayed to upload new version of ELF , but i get this message:
Package Summary:
1 package(s) were not uploaded because they had problems:
/var/folders/lj/wrbzzxds6b53f88_rx3x7c800000gn/T/98BB069F-37B9-4F51-8456-A659E2089F83/1129845156.itmsp - Error Messages:
ERROR ITMS-90017: "This bundle is invalid. The IPA format requires a top-level directory named Payload, containing only a .app bundle and optional plugins in a Plugins directory."
2017-02-28 02:24:39.745 altool[82174:40955927] *** Error: Errors uploading 'I:\DocumentsD\iPhone\ELF Emmit\EE_BGD_27.02.2017\Objects\ELF emmit.ipa': (
"Error Domain=ITunesTransporterErrorDomain Code=-18000 \"ERROR ITMS-90017: \"This bundle is invalid. The IPA format requires a top-level directory named Payload, containing only a .app bundle and optional plugins in a Plugins directory.\"\" UserInfo={NSLocalizedRecoverySuggestion=ERROR ITMS-90017: \"This bundle is invalid. The IPA format requires a top-level directory named Payload, containing only a .app bundle and optional plugins in a Plugins directory.\", NSLocalizedDescription=ERROR ITMS-90017: \"This bundle is invalid. The IPA format requires a top-level directory named Payload, containing only a .app bundle and optional plugins in a Plugins directory.\", NSLocalizedFailureReason=ERROR ITMS-90017: \"This bundle is invalid. The IPA format requires a top-level directory named Payload, containing only a .app bundle and optional plugins in a Plugins directory.\"}"
)

What is wrong ?