I have created some custom profiles (size is filename) and saved them to a new directory in the weldment profiles directory. When I try to insert one of the new profiles, I pick Ansi inch, select the new directory, click on the Size drop down, and no sizes (filenames) show up. The new directory is "Strongwell profiles" and the filenames are structured like "H 4 x 4 x 0.25. Have I violated some rule?