I was able to capture the traffic from IOS and andriod 2 weeks back but from 2 days back getting the below error.
11:51:43:8688 !SecureClientPipeDirect failed: System.Security.Authentication.AuthenticationException A call to SSPI failed, see inner exception. < The certificate chain was issued by an authority that is not trusted for pipe (CN=xxx-xxx.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com).
11:51:44:0193 !SecureClientPipeDirect failed: System.Security.Authentication.AuthenticationException A call to SSPI failed, see inner exception. < The certificate chain was issued by an authority that is not trusted for pipe (CN=xxxx.apple.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com).