title: Could not find implementation lookup function "class_getMethodImplementation" step in through ObjC method dispatch will not work
body: <p>When building and running my iOS app from xcode, the following message appears in the terminal (iPhone 4s running 9.3.6).</p>
  <blockquote>
  <p>Could not find implementation lookup function
  &quot;class_getMethodImplementation&quot; step in through ObjC method dispatch
  will not work.</p>
  </blockquote>
  <p>This message does not appear on my iPhone X on iOS 14.4.</p>
  <p>What does this mean? I have been unable to find any documentation related to this message.</p>