Hello and welcome to the community! There are options that can alter the behaviour around the work lib ... To quickly nail your problem it would be helpful if you posted some explanatory code snippets (perhaps a data step and a proc mean) and your LOG output. And then: Where are you running your code? Is it the "SAS on Demand (for academics)" platform or do you run your own platform? And finally, here is a link to some blog entry explaining the webwork usage ... maybe this does help: https://blogs.sas.com/content/sgf/2016/12/12/sas-studio-webwork-library-demystified/ Cheers fja ... View more