What does the key symbol mean on top of my source folders?

[JMaje.1]

Thank you

[Tesla DeLorean]

Sort of thing indicating directories and/or files are read-only. Check attributes on the files​

[Andrew Neil]

The forum now allows you to paste images into a post - where we can see it:

Is this in STM32CubeIDE, or something else?

As @Community member​ said, check if the files are read-only...

EDIT

So it seems that image pasting is broken again?

:pouting_face:

[Andrew Neil]

Try again, using the 'Image' button:

Are you sure that's a key? It looks like a spanner (wrench) to me?

As STM32CubeIDE is Eclipse-based, a general Eclipse search should help; eg,

https://e2e.ti.com/support/tools/code-composer-studio-group/ccs/f/code-composer-studio-forum/192606/key-symbol-in-icon