title: This certificate has an invalid issuer : Keychain marks all certificates as "Invalid Issuer"
body: <p>Keychain shows all the certificates as Invalid in my keychain suddenly, as it working before 2 days and i also check in Developer portal and it shows valid there. It marks each and every certificate in Keychain as <strong>"This certificate has invalid issuer"</strong> . As message suggesting that it must be problem from issuer side and and our issuer is Apple. So how to fix it ?</p>
  
  <p>This certificate has an invalid issuer</p>
  
  <p>Here i posting image of keychain. I need quick help.</p>
  
  <p><a href="https://i.stack.imgur.com/2QglP.png" rel="noreferrer"><img src="https://i.stack.imgur.com/2QglP.png" alt="enter image description here"></a></p>