The object search in AWI displays the old folder name in the Folder Path column. Folder paths are not updated in search results after renaming a folder. After the fix the search results will show the updated folder name.
Please upgrade to a fix version mentioned below or a higher one if available.
Automation.Engine 12.1.3 - estimate,planned release date: End of September 2018
Automation.Engine 12.2.1 - estimate,planned release date: End of October 2018