Originally posted by: FredericDelhoume
I tried with 12.8 on your model and it works fine, I am able to restore the Gantt.
The save/restore feature seems to work on your machine too, as the "Table" tab (Tabelle in german) is present and should be filled wiith restored data.
So my guess is that it is a display issue.
Did you try to resize the Gantt window ?
We have issues with Gantt and Charts component because they are based on Swing, that does not mix very well with the SWT components Eclipse (thus the OPL IDE) uses, because of different UI threads.
So depending on JViews (Gantt), Eclipse, JVM versions we have some display bugs for these components.
See this http://www.eclipse.org/articles/article.php?file=Article-Swing-SWT-Integration/index.html article for technical details.
Do you have something related in your log file (found in <workspace directory>/.metadata/.log) ?
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