Adding an object to an already opened Trend chart does not work correctly.
An AS or ES is logged into using a Webstation, and an existing Trend chart is opened. An object is then selected in the System Tree, and then using the right-hand menu, the "Open Chart" and "Add to already open chart" is selected. Values are not added to the already opened chart.
This issue is caused by a Java 7 update 51 a specific fix is not available.
- Use an earlier version of Java.
- Change Java security level to Medium.
- Add site to the exception list
For further details on "adding to the exception list", please refer to Lessons Learned 13698.