I have seen this error before and it could be a couple of things.  What I would like for you to do is to go ahead and create a track with SAS Technical Support by filling out the form found at the following URL: https://support.sas.com/en/technical-support/contact-sas.html   1.  What version of SAS Contextual Analysis are you using? 2.  Which operating system? 3.  What language are you analyzing? 4.  What steps did you follow that returned the error message? 5.  Where is the data set coming from?  Is it a SAS data set, a dataset from a database such as Teradata or Hadoop, or a collection of text files? 6.  Can you send us the project settings file from your project (which is a .json file).  The instructions for how to create a project json file are provided in the "Exporting a Project Model (JSON file) " of Using the Properties Page section in the SAS Contextual User's Guide, available in the free online documentation for SAS Contextual Analysis.   ... View more