Support Article
Flow related error while updating to Pega 7.3
SA-53978
Summary
InvalidParameterException occurs while updating the rules schema. This occurs during update to Pega 7.3.
Error Messages
ERROR - Unable to validate Your_FWApp:02-01-06 Your_App because cannot be null or blank. page: FlowInstance.pyModelProcess.pyShapes. Details: Invalid value for aReference passed to com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.getProperty(String, char)
[java] com.pega.pegarules.pub.clipboard.InvalidParameterException: cannot be null or blank. page: FlowInstance.pyModelProcess.pyShapes. Details: Invalid value for aReference passed to com.pega.pegarules.data.internal.clipboard.ClipboardPageImpl.getProperty(String, char)
Steps to Reproduce
- Update from Pega 7.1.7 to Pega 7.3 using out-place-upgrade mechanism.
- Create a new schema.
- Migrate the rules tables from the old to the new schema by running migrate.sh script from the Command Line.
- Update the rules schema.
Root Cause
A defect in Pegasystems’ code or rules. An issue with the Application Rule that is updated.
Resolution
Perform the following local-change to skip the step that blocks the upgrade:
- Update setupDatabase.xml.
- Comment the Update Existing Application task from Target Upgrade Finalization.
- Resume the upgrade.
Published July 23, 2018 - Updated October 8, 2020
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