When an error occurs in the Open Source Code node, the generic message  Encountered error code 1 when executing PYTHON program  is highlighted in the log. The detailed error messages that help pinpoint the problem i.e., the messages coming from Python itself are displayed above this generic message; you can scroll up to view them.  Additional debugging questions are documented here: https://go.documentation.sas.com/?cdcId=vdmmlcdc&cdcVersion=8.3&docsetId=vdmmlref&docsetTarget=n09n0yjpv48gddn0z5gv364f95qv.htm&locale=en     ... View more