Hi @parksanghun
Welcome to the Atlassian Community!
The exception you provided indicates that the Java environment running your Crucible instance is failing to initialize its graphics/image rendering libraries.
Depending on your server operating system, this can be fixed by:
If running on Linux, add -Djava.awt.headless=true to your Java arguments in your Crucible startup configuration script to run in "headless" mode.
-Djava.awt.headless=true
If running on Windows, you can fix it by installing the Microsoft Visual C++ Redistributable (2013 or later) package and then restarting.
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