Hi: For this exercise, they are using the XLSX libname engine. So the XLSX after the NP in the LIBNAME statement is necessary. My guess is that the problem is related to how the student is using SAS. For example, if the student is using SAS University Edition in a Virtual Machine and if they followed ALL of our instructions, then the path to the file should be: libname np xlsx "/folders/myfolders/EPG194/data/np_info.xlsx"; and for SAS OnDemand for Academics would be: libname np xlsx "/home/<userID>/EPG194/data/np_info.xlsx"; But if the student is using Enterprise Guide to connect to SAS on a Unix server, then their location should be in the WORK folder which can be referenced (assuming they followed all of our instructions) with this LIBNAME statement: libname np xlsx "&path/np_info.xlsx"; So without more information about how they are using SAS, it's hard to provide more constructive suggestions. The other reason it might not be able to read the file is if there is some spelling error or file name issue. Unix is sticky about file names so the strings 'ABCDE' and 'AbCdE' and 'abcde' in a file path on Unix would denote 3 different locations. Another possible issue is that the student did not actually make the files correctly. For example, if SAS on their server does not have the XLSX engine installed (because it's an older version of SAS), then there's a chance that they made some but not all of the class files. Sorry I can't be of more help. Cynthia
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