iOS App Cert Issue ? - SignalServiceKit.OWSUDError.invalidData(description: "Invalid sender certificate returned by server")

[afyfe]

Hi, we are getting this error when trying to register a device in the iOS app.. Android app working fine.

It mentions certificate errors, but we have replaced and triplechecked the certificate and its been converted to a working .DER format .CER file in place.

Any ideas anyone gratefully received ?

thanks

adam

2021-09-20 17:55:53:002 Signal[5621:253734] 💛 [TSNetworkManager.m:399 -[TSNetworkManager makeRequestSync:completionQueue:success:failure:]]: Making Non-UD request: { GET: v1/certificate/delivery?includeUuid=true&includeE164=false }
2021-09-20 17:55:53:087 Signal[5621:252306] 💙 [OWSViewController.m:27 -[OWSViewController dealloc]]: Dealloc: Signal.OnboardingPhoneNumberDiscoverabilityViewController
2021-09-20 17:55:53:170 Signal[5621:253734] 💛 [TSNetworkManager.m:417 -[TSNetworkManager makeRequestSync:completionQueue:success:failure:]_block_invoke]: Non-UD request succeeded : { GET: v1/certificate/delivery?includeUuid=true }
2021-09-20 17:55:53:171 Signal[5621:252306] ❤️ [SMKCertificateValidator.swift:83 throwswrapped_validate(serverCertificate:)]: invalidCertificate(description: "Server certificate signature verification failed.")
2021-09-20 17:55:53:171 Signal[5621:252306] ❤️ Invalid certificate
2021-09-20 17:55:53:172 Signal[5621:253399] ❤️ [NSError+OWSOperation.m:39 -[NSError(OWSOperation) isRetryable]]: Error without retry behavior specified: SignalServiceKit.OWSUDError.invalidData(description: "Invalid sender certificate returned by server")
2021-09-20 17:55:53:179 Signal[5621:253399] ❤️ [AppDelegate.m:84 void uncaughtExceptionHandler(NSException *__strong)]: exception: Error without retry behavior specified: SignalServiceKit.OWSUDError.invalidData(description: "Invalid sender certificate returned by server")
2021-09-20 17:55:53:179 Signal[5621:253399] ❤️ [AppDelegate.m:85 void uncaughtExceptionHandler(NSException *__strong)]: name: NSInternalInconsistencyException