Removing a VxVM disk from a Disk Group

Hello all,
So I made a rookie mistake today. I forgot to remove my disk from my disk group, before running the following command:

for i in `ioscan -fnN | awk /NO/'{print $3}'`
do
rmsf -H $i
done

I am trying to run the following command, but not having any luck obviously:

vxdg -g dgvol1 rmdisk disk99

Error:

VxVM vxedit ERROR V-5-1-10128 Operation requires an associated record

Any suggestions would be greatly appreciated.

Background - we are migrating from 1 Storage Array to another Storage Array. I have already created a plex to migrate the data, as well as removed the old plex, plus remove the HBA links to the old SAN environment.

HP-UX 11.31i