# More FAQ
1. "Heap usage graph" in the Garbage collection section is not loading in the comparison report?
Please pass the "-Djava.awt.headless=true" JVM argument in the yCrash launch script 'launch-yc-server.bat' (in windows) or 'launch-yc-server.sh' (in linux/mac) and restart yCrash server to resolve this issue.
2. I wanted to see "GC graphs" in the GCeasy API response, so I am passing "graphs=true" in the API URL. But even though I am passing the property, in the response, "graphs" was empty. Please advise how to fix it?
Please pass the "-Djava.awt.headless=true" JVM argument in the yCrash launch script 'launch-yc-server.bat' (in windows) or 'launch-yc-server.sh' (in linux/mac) and restart yCrash server to resolve this issue.
