How to fix "No reply dictionary received from LeakAgent request" error in Xcode?

Question

After renaming of my project folder, I can't open View Memory Graph Hierarchy tool of debugging. I have fixed my project files and project configuration, and project launches normal, but I need to catch memory leak cases via this tool. How to fix it?

Update: I have both iPad and iPhone without SIM for testing. With iPad I get the issue, but with iPhone not. It may be related to a device or some system configuration of device. Also I tried to test on my own iPhone with SIM and/or all user settings, then a didn't get the issue.

Answer 1

You might run into this issue if you are using Xcode 11.4.1 and trying to view memory graph hierarchy with a simulator with lower OS version (13.0 my case). Using the latest version of the simulator fixes the issue.

Answer 2

I had the same issue. It turned out the LeakAgent crashed somehow. So, I figured maybe launch instruments' leak tool should help. So I launched instruments, started the leaks tool and then closed the instruments window (not quit it). Returning back to XCode, the memory graph feature worked. Hope this will be of some help.