OPKG update: Signature file download failed

I recently updated to OpenWrt 19.07.0 r10860-a3ffeb413b / LuCI openwrt-19.07 branch git-20.006.26738-35aa527 and I'm having just one of the repositories fail doing opkg update

\# opkg update
Downloading http://downloads.openwrt.org/releases/19.07.0/targets/mvebu/cortexa9/packages/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_core
Downloading http://downloads.openwrt.org/releases/19.07.0/targets/mvebu/cortexa9/packages/Packages.sig
Signature check passed.
Downloading http://downloads.openwrt.org/releases/19.07.0/targets/mvebu/cortexa9/kmods/4.14.162-1-a92a3f5c5bed2671533484c7ace9d5b5/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_kmods
Downloading http://downloads.openwrt.org/releases/19.07.0/targets/mvebu/cortexa9/kmods/4.14.162-1-a92a3f5c5bed2671533484c7ace9d5b5/Packages.sig
Signature file download failed.
Remove wrong Signature file.
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/base/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_base
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/base/Packages.sig
Signature check passed.
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/luci/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_luci
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/luci/Packages.sig
Signature check passed.
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/packages/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_packages
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/packages/Packages.sig
Signature check passed.
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/routing/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_routing
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/routing/Packages.sig
Signature check passed.
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/telephony/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_telephony
Downloading http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/telephony/Packages.sig
Signature file download failed.
Remove wrong Signature file.
Collected errors:
 * opkg_download: Failed to download http://downloads.openwrt.org/releases/19.07.0/targets/mvebu/cortexa9/kmods/4.14.162-1-a92a3f5c5bed2671533484c7ace9d5b5/Packages.sig, wget returned 4.
* opkg_download: Check your network settings and connectivity.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/19.07.0/packages/arm_cortex-a9_vfpv3/telephony/Packages.sig, wget returned 4.
* opkg_download: Check your network settings and connectivity.

I can get to the internet. Any ideas? Thank you in advance

Did you do this step (or reset to defaults)?

I did a fresh install with a factory reset prior to running opkg update