This is a known issue and the following Defect ID was created to provide a fix in a future release:
Defect 241901 :Specific to Chrome browser. When trying to customize any object, cannot edit a tab by clicking on the icon in Chrome browser.
Use Internet Explorer to edit the Form Tab properties.
This issue has been identified as a product defect and logged as defect ID 241901.
Waiting for a fix in a future release of Active Roles.
Please refer to the “Resolved Issues” section of the Product Release Notes when new releases are available to identify if a fix for this defect has been implemented. Product Release Notes are available in the “Product Documentation” area of our Support Website at support.oneidentity.com