Can't open older versions in the AWI Version Management

Products

• CA Automic Workload Automation - Automation Engine

Issue/Introduction

When trying to open 'old' versions of objects using the Version Management in the AWI, the following error message is displayed: 
Error during XRequest com.uc4.webui.communication.requests.OpenObjectAdapter 

The same objects can be opened using the deprecated Java User Interface. 

Here are some additional error messages that can be found in the AWI's log file: 
Caused by: com.uc4.communication.InternalException: Wrong LNR, expected: 2, is:3 
UC4Object JOBP.NEW.1.VER.20171205.114038, Type null: no sheets provided 

Environment

Automic Web Interface 12.1.0

Resolution

A correction for this issue is available on the following versions:

• Automic Web Interface 12.2.0 - Available
• Automic Web Interface 12.1.3 - Available

Please install one of the above listed versions or a higher version to resolve this issue.

Workaround:
Use the deprecated Java User Interface.