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Support Article

App Express failure while generating application



New Application wizard fails to create an Enterprise Application. An error appears in the log file.

Error Messages

Error in processing rulesets of application - your_application_name!version. RuleSet "null or empty name" has a bad format

Steps to Reproduce

Attempt to create a new application.

Root Cause

A defect in Pegasystems’ code or rules.


Perform the following local-change:
  1. Change the validation mode to ruleset validation.
  2. After successfully creating the new application, change the validation mode back to the application validation.

Published February 18, 2016 - Updated October 8, 2020

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