I am using the below code. When i run the job on the scheduler, sometimes i am getting this error. so not sure how to fix the issue. The issue doesn't come on every run, only once in a while.   can you help me how i can fix this PIPE issue permanently.   Code: filename mac pipe 'dir "\\testdrive\in" /b'; data file; infile mac truncover; input file_name $1000.; run;     ERROR: Insufficient authorization to access PIPE ERROR: Error in the FILENAME Statement   ERROR: No logical assign for filename MAC.   ... View more