This error means that you're using c-tree formatted data files (you have this setting in your configuration file):
iscobol.file.index=ctree2
And the c-tree Server is not running. Resolve this by starting your c-tree server process.
Article ID: 233
Created: October 21, 2014
Last Updated: December 29, 2025
Author: Support KB Author
Online URL: https://support.veryant.com/phpkb/article.php?id=233