Failed to delete image

Knightly pipeline failed with the following error:

Failed to delete image with name or ID '6b1511a5-1ba1-481f-ab94-46df1f51d7a6': ForbiddenException: 403: Client Error for url: https://glance.cloud.rc.uab.edu:9292/v2/images/6b1511a5-1ba1-481f-ab94-46df1f51d7a6, : 403 Forbidden: You do not own this image
Failed to delete 1 of 1 images.