In this case, your trademark holder uses someone else's copyrighted work. Although you have been authorized, you will need to stop using the trademark unless you can get permission from the copyright holder to use the graphic again.

if you can't get the authorization or license of the copyrighted work, the copyright holder can apply for canceling your trademark registration and may file an infringement lawsuit. Because according to the copyright law, the copyright holder owns the copyright of his work, including the right to decide whether to allow others to use the work and how to use it.

To sum up, if your trademark uses other people's copyright works, you need to get in touch with the copyright holder as soon as possible and get a license or renew the license to ensure the legality of the trademark. If you can't get the license or renewal authorization, you need to consider changing the trademark graphics to avoid copyright problems.