Support Article
Unable to save rules to highest available version
SA-18367
Summary
When attempting to save rules to a higher version, an error is thrown.
Error Messages
[Work-ProjectManagement-SaveAs.pyMessageLabel]Flow_PostProcessFailPostActionSaveAs java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11.XToolkit
Steps to Reproduce
- Open a rule in Developer Studio
- Attempt to save the rule into a higher RuleSet version.
Root Cause
A defect or configuration issue in the operating environment.
Resolution
The resolution is found on the PDN (SA-232):
https://pdn.pega.com/support-articles/could-not-initialize-class-error-when-checking-ui-rules
Published January 31, 2016 - Updated October 8, 2020
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