I am having the exact same issue and it just started this week. I have created a folder under my EPG194 folder called MyCode and even though I am in the Code window of a new program file (Program 1.sas), when I click save and navigate to the MyCode folder, the extension changes to .sas.log and the file is not saved at all. I have resorted to saving the files as text files on my desktop for the time being.
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