GBM-DRV error: Unknown or not supported format

What is this error?

Aug 08 09:10:04 z390 kopia-ui[3122]: src/gbm_drv_common.c:131: GBM-DRV error (get_bytes_per_component): Unknown or not supported format: 808530000
Aug 08 09:10:04 z390 kopia-ui[3122]: src/gbm_drv_common.c:131: GBM-DRV error (get_bytes_per_component): Unknown or not supported format: 808530000
Aug 08 09:10:04 z390 kopia-ui[3122]: src/gbm_drv_common.c:131: GBM-DRV error (get_bytes_per_component): Unknown or not supported format: 808530000
Aug 08 09:10:04 z390 kopia-ui[3122]: src/gbm_drv_common.c:131: GBM-DRV error (get_bytes_per_component): Unknown or not supported format: 808530000
Aug 08 09:10:04 z390 kopia-ui[3122]: src/gbm_drv_common.c:131: GBM-DRV error (get_bytes_per_component): Unknown or not supported format: 808530000

And what is this log snippet?

Provide context, kopia version, command used etc.

Context - clean Fedora 40 install keeping /home directory.

boot log: http://0x0.st/XVlO.txt

kopia start line 3725
kopia error line 3803

Version of Kopia
0.17.0 build: 89c8eb47af2e1d5c1d14fe299a0cf7eaac095abf from: kopia/kopia