This error means that you're working, in your isCOBOL Framework configuration file(default /etc/iscobol.properties), with the property:
iscobol.file.index=ctree2
The error 19:133 means that the c-tree Server is not active.
Article ID: 233
Created: October 21, 2014
Last Updated: October 21, 2014
Author: Support KB Author
Online URL: https://support.veryant.com/support/phpkb/article.php?id=233