@stephenw10 You got it! The command you sent me only resulted in errors:
[23.05.1-RELEASE][root@FW-A.local]/root: pkg-static search flashrom
pkg-static: Repository pfSense-core missing. 'pkg update' required
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
pkg-static: An error occured while fetching package
However, I went to the update settings in the web UI and the branch was set to 23.09.1. I uninstalled the package "Netgate_Firmware_Update", changed the branch to 23.05.1, reinstalled "Netgate_Firmware_Package", and it worked!
Thank you so much!