KB-XXXX Aberrant behavior after deleting versions of content objects

Symptoms

After deleting content object (Appian expression, interface and constant) versions using the Suite API methods deleteVersion or deleteVersions, the following behavior is observed:

• The suggestion panel does not show any information for that content object when hovering over an invocation in the expression editor.
• Interface configurations and bindings in process models are lost, and it is not possible to reconfigure them.

Cause

The VERSION_ORIGINAL version of the content object was deleted. It is not a valid operation to delete this version of a content object. Instead, it should be deactivated using the deactivateVersion Suite API method.

Action

Republish the affected content object by either reimporting it, or saving it in the /design interface.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: January 2020