Hello, can someone tell me where i can get public keys for Backports:SLE-15-SP3 to build Leap 15.3 packages under Leap 15.2? Example for my error: Verifying integrity of cached packages using keys from SUSE:SLE-15:Update, SUSE:SLE-15:GA, SUSE:SLE-15-SP3:GA, SUSE:SLE-15-SP2:Update, SUSE:SLE-15-SP2:GA, SUSE:SLE-15-SP1:Update, games, SUSE:SLE-15-SP1:GA, openSUSE:Leap, openSUSE warning: /var/tmp/osbuild-packagecache/openSUSE:Backports:SLE-15-SP3/standard/ x86_64/libminiupnpc-devel-2.0.20171102-bp153.1.33.x86_64.rpm: Header V3 RSA/ SHA256 Signature, key ID 65176565: NOKEY /var/tmp/osbuild-packagecache/openSUSE:Backports:SLE-15-SP3/standard/x86_64/ libminiupnpc-devel-2.0.20171102-bp153.1.33.x86_64.rpm : public key not available Regards Eric