Were you able to figure this out?
I suspect the CLASSPATH isn't including your class. There is information on setting the CLASSPATH here:
https://go.documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=lrcon&docsetTarget=n0swy2q7eouj2fn11g1o28q57v4u.htm&locale=en#n1kystna6h6qxon1323zlbz80gwk
... View more