System repo opening issue with Packagekit (only)

[blackPantherOS]

Hi, The follow issue still exists in Packagekit DNF backend from 1.2.x version:

PackageKit/PackageKit#563

The related file pk-backend.dnf.c around 696 lines

`/* add installed packages */          
ret = dnf_sack_load_system_repo (sack, NULL, DNF_SACK_LOAD_FLAG_BUILD_CACHE, error);               
if (!ret) { 
g_prefix_error (error, "%s", "Failed to load system repo: ", ret); 
return NULL; 
}

The old backend in Packagekit 1.1.10 working fine.. DNF package manager 4.13.x working fine as well. just Pacakgekit backend is not.

[blackPantherOS]

RPM & Appstream & LibDNF rebuild from scratch solve this issue.