HELP - disk full while backup Windows components

I am using “backup windows components” feature for my Hyper-V VSS witer on my server NAS. I use Openmediavalt.
My located /backups , /log , /urbackup, i changed to my Disk B (8 TB only urbackup data/file ). Howerver , my Disk A ( 80Gb for data docker, portainer ) were full disk when urbackup run this - “backup windows components” . And error full database /or disk.
I try find file on Disk B for full disk , i cant find.
Please help me for this problem.

I find it, but i dont think it over data