Then it must be a problem with the way the SCS is coded... combined with the fact that a mod copies a "bless.spl" file to the override folder, as a regular expression probably matches the spell files name, and it causes all sorts of trouble, meaning that if you have a mod that names it's spell this way, you should burn the mod maker alive. Well, figuratively.Unfortunately the only real way to find the culprit is to extract all the mods you use to a folder, find if any of them have the bless.spl file in them, and if not, rename the .tp2 files as .txt's so Windows can search them as texts, and find the mod that copies the file as the bless.spl via a text search ... that's quite a lot of work to do.
I found the following in the latest debug:
ERROR locating resource for 'COPY'
Resource [%BLESS%.spl] not found in KEY file:
[./chitin.key]
This is after I put a bless.spl in override. Apparently it's missing from chitin.key? Is such a thing possible?