unable to get local issuer certificate

[lv183037]

I can't get Pinned Request when no agent is opened. The error information is as follows
12-20 17:37:11.414 3696 3724 I flutter : Request via DIO failed
12-20 17:37:11.414 3696 3724 I flutter : Exception: DioError [DioErrorType.other]: HandshakeException: Handshake error in client (OS Error:
12-20 17:37:11.414 3696 3724 I flutter : CERTIFICATE_VERIFY_FAILED: unable to get local issuer certificate(handshake.cc:393))
12-20 17:37:11.414 3696 3724 I flutter : Source stack:
12-20 17:37:11.414 3696 3724 I flutter : #0 DioMixin.fetch (package:dio/src/dio_mixin.dart:488)
12-20 17:37:11.414 3696 3724 I flutter : #1 DioMixin.request (package:dio/src/dio_mixin.dart:483)
12-20 17:37:11.414 3696 3724 I flutter : #2 DioMixin.get (package:dio/src/dio_mixin.dart:61)
12-20 17:37:11.414 3696 3724 I flutter : #3 _MyHomePageState.callPinnedHTTPS (package:flutter_pinning/main.dart:123)
12-20 17:37:11.414 3696 3724 I flutter :

[TheDauntless]

This is possibly related to the backend you are testing against and not necessarily the script/client. Can you share the test app? If so, please reopen the issue and link it.