Several bugs were discovered in SCARM 0.9.26 related to the renaming of the layers and then save and restore of the already changed layer names. The patched version of the program was released today.
Please upgrade to SCARM 0.9.27, which can be downloaded from http://www.scarm.info to fix these problems.
See more about this bugfix update in the following blog post: SCARM v. 0.9.27 Released.
I am sorry if these bugs caused any problems and inconvenience in your work with SCARM. If you see another problems, please report them here or in SCARM Blog and I will try to fix them ASAP.