Regarding do_not_move.jpg, I presume you're trying to move the File structure, and I can't really tell why you can't from the screenshot. I suggest you try to resize the File structure (and maybe the Barcode_Image callable service as well, and then try again.Other than that I'll need access to the project - can you export it (File>Export>Tersus>Tersus Project)? If not, you can also try copying the Barcode_Image to a separate project (using Copy in the original, and Paste (Import) in the new project), but if you do, make sure the problem is reproduced there ...
The "little mark" indicates a read only model which cannot be changed. Read-only models reside in libraries, such as the default Common library provided by the platform - Try to right click such a model and select Show in Repository...
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