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Error adding step, ClassNotFoundException



When attempting to add a step to a case, a popup error occurs and a ClassNotFoundException appears in the logs.

Error Messages

"There has been an issue; please consult your system administrator" in the client user interface.

In the logs the following appears for various functions and classes.

ERROR Problem invoking function: pega_uiengine_formatter.pxFormatValue--(String,ClipboardPage,boolean,boolean)
java.lang.ClassNotFoundException: com.pegarules.generated.pxFormatValue_071017_yHMfagbHVGz4_tNlu2ybjQ

Steps to Reproduce

  1. Open any case type to the "Edit case type" screen.
  2. Select a stage.
  3. Click "Add Step" at the bottom of the stage.

Root Cause

A defect or configuration issue in the operating environment. A possible database connection issue results in a corrupted library.


Regenerate the libraries by following the process detailed in PDN article:

Performing developer actions throws unspecified error
Suggest Edit

Published July 2, 2016 - Updated October 8, 2020

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