Not able move them either

its stored in the SweetHome 3d > ReferencedLibraries > TotalSurface.Jar > com.eteks.tes > TotalSurface.class
and the ApplicationPlugin is stored in TotalSurface.jar > META-INF folder

<r>WARNING: References to Carbon menus are disallowed with AppKit menu system on macOS 14 and newer. Use instances of NSMenu and NSMenuItem directly instead. See <URL url="https://developer.apple.com/documentation/macos-release-notes/appkit-release-notes-for-macos-14#Menus"><LINK_TEXT text="https ...

The plugin was in a jar file and it got saved automatically in a destination in com.eteks.test and it has the ApplicationPlugin.properties file as well.
Is there any step i am missing here.

<t>Hi all, I am new here and I am looking for a little support on how I can use an existing plugin and make changes to it. I have downloaded the source code of the sweethome3d and i am running the code in eclipse.<br/>
I have followed the steps given in the developers guide.<br/>
I have the jar file ...

<r>Hi all, <br/>
I am trying to run the code from the git repo: <URL url="https://github.com/SweetHome3D/SweetHome3D">https://github.com/SweetHome3D/SweetHome3D</URL><br/>
<br/>
I am currently using the latest version Eclipse and jdk<br/>
<br/>
i am running the code with com.eteks.sweethome3d ...