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Following an upgrade of Appian, select Connected System objects fail to load with the below error message:
In the application server log, the below error message will be printed:
YYYY-MM-DD HH:MM:SS [localhost-startStop-1] ERROR com.appiancorp.connectedsystems.http.migration.configobject.MigratePersistedConnectedSystems - Error persisting, migration will be skipped for this connected system: ... com.appiancorp.suiteapi.content.exceptions.InsufficientNameUniquenessException: Name is insufficiently unique
This behavior occurs when an Appian Application has the same name as a Connected System object. This issue has been addressed via AN-145648 in the following hotfixes/versions:
If you require a hotfix for Appian 17.4 - 18.1, please open a support case with Appian Support.
Apply the latest hotfix to your Appian installation or upgrade to the latest version of Appian.
There are two workarounds that can resolve this issue:
Open a case with Appian Support and note to the case description that you are experiencing behavior in line with this article. Ensure to confirm on the support case that you have performed the above steps for the second workaround option.
<APPIAN_HOME>/conf:
conf.suite.RERUN_CS_ENCRYPTION_MIGRATION=true
This article applies to Appian 17.4 and later.
Last Reviewed: December 2019