Hi @Jayfo I’ve tested copy / paste properties between Auto Layout elements but was unable to reproduce any issues. If you are still seeing an issue can you please reach out to the support team directly via this form for help: https://help.figma.com/hc/en-us/requests/new
Be sure to use your Figma account email, share a short video reproducing the issue, include the links to an example file, and share it with support-share@figma.com so they can take a closer look.