AWI - Time & Dependencies- -When switching tabs change gets lost

Document ID : KB000110168
Last Modified Date : 22/08/2018
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Issue:
In AWI, open a Workflow for editing. Go to the Task Properties of one task and switch to the tab Time & Dependencies. Under Dependencies, change the field Status to empty:
 
User-added image

Now switch to another tab and back again. The previous value is back:
 
User-added image
 
Resolution:
Workaround: Save the workflow before switching from tab Time & Dependencies to another tab.