Hi Howles Thank you for your reply, I went back to Lesson 4 and solved this problem. Thank you  ... View more

Hello Patrick Thank you for your response. I was practicing how to create a listing report using SAS 9.3 then I was trying to add code to create this listing report of the SAS data set named pilotdata, I used the PROC PRINT step to do so. This is the actual code I wrote in Editor window: proc print data=sasintro.pilotdata; run; After I submited the code I got this ERROR in log : ERROR: Libname SASINTRO is not assigned How can I assign the Libname SASINTRO ? If I slove this error, will I be able to creat a listing report? Thank you so much ... View more