I see this in the log "/home/u61133731/", which tells me you are using SAS Ondemand for Academics:
Your macro variable, outpath should be something like:
%let outpath = /home/u61133731;
if you want to create your excel directly in the Files(home) directory,
Or if you have folders under Files(home) like EPG1V2/output it would look like:
%let outpath = /home/u61133731/EPG1V2/output;
or
%let outpath = ~/EPG1V2/output;
(hint - you can use ~ to point to your user home directory)
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