Pamac gui software center - reset to "factory defaults"

I ran that script 3 times now, but each time it just hangs after the following lines:

gpg: error retrieving 'build@manjaro.org' via WKD: No data
gpg: error reading key: No data
gpg: refreshing 1 key from hkps://keyserver.ubuntu.com
gpg: key 279E7CF5D8D56EC8: "Manjaro Build Server <build@manjaro.org>" not changed
gpg: Total number processed: 1
gpg:              unchanged: 1

The script warns “it may take time”, but being stuck for hours seems a bit too much. Any suggestions?