When uploading to the App Store, ITMS-90035 is a typical signing error. Many people first assume the IPA is corrupted, but in reality, this error is more related to certificates, provisioning profiles, signing methods, and export methods. Especially in scenarios like Flutter, uni-app, React Nat...
Source: [Dev.to](https://dev.to/uikit_ninja/how-to-solve-itms-90035-error-from-signature-chain-troubleshooting-to-ipa-regeneration-44j5)