I have build an .ipa file from xcode12 through app store distribution. I didn't upload it to app store instead I save it to my disk. The .ipa file was inside a folder. I have uploaded the .ipa file to https://www.iphonecake.com and shared to my Iphone. It showes installing after that the error comes like:

any one have any idea on what might have caused this. Please help me with it.