The script create the folder, but the folder is empty. I don't have the answer for that:
There are 2 issues
If( Directory Exists( path_save || DIR_NAME ),, dt<< Save(path_save || DIR_NAME || "\" || DIR_NAME || ".jsl", Append) );
If( Directory Exists( path_save || DIR_NAME ), dt<< Save(path_save || DIR_NAME || "\" || DIR_NAME || ".jsl", Append) );