The progress page for Razorgore-EU shows the guild horde Frozen @ 7/8 in the progress column, while the icons in the “bosses killed” column and the logs clearly show 8/8 with a completion time should be #7 in the progress ranking.
https://classic.warcraftlogs.com/server/rankings/5034/1002#metric=progress&boss=-1
https://classic.warcraftlogs.com/reports/t6BgMcXfn9wy8dYN