The most likely cause of your error is that the directory and file you are trying to import is not accessible from your SAS server. Where is /sasdata/prototype etc located? Is it on your SAS server or not? If you are not sure about this ask your SAS administrator. BTW you can ignore the NOTE: Unable to open etc. That is a consequence of your SASUSER library being set to read-only, which is the default setup for SAS 9.4.
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