Error decrypting credential: No secret key <GPGME>

Anyone here that used Master and slave architecture - #11 by tatooin and since december cannot verify scanner?

My master setup is:

sudo -u gvm gvmd --create-scanner=BMCscanner --scanner-type=OpenVas --scanner-port=9390 --scanner-host= --scanner-ca-pub=/opt/gvm/cacert.pem --scanner-key-priv=/opt/gvm/clientkey.pem --scanner-key-pub=/opt/gvm/clientcert.pem

My slave is

[Unit]
Description=OSPd Wrapper for the OpenVAS Scanner (ospd-openvas)
Documentation=man:ospd-openvas(8) man:openvas(8)
After=network.target networking.service redis-server@openvas.service mosquitto.service
Wants=redis-server@openvas.service mosquitto.service notus-scanner.service
ConditionKernelCommandLine=!recovery

[Service]
Type=forking
User=gvm
RuntimeDirectory=ospd
RuntimeDirectoryMode=2775
#PIDFile=/run/ospd/openvas-slave.pid -p 9390 -b 0.0.0.0
ExecStart=/usr/local/bin/ospd-openvas --PIDFile=/run/ospd/openvas-slave.pid -p 9390 -b 0.0.0.0 -k /var/lib/gvm/private/CA/serverkey.pem -c /var/lib/gvm/CA/servercert.pem --ca-file /var/lib/gvm/CA/cacert.pem --log-level INFO --lock-file-dir /var/lib/openvas -l /var/log/gvm/ospd-openvas-slave.log

SuccessExitStatus=SIGKILL
Restart=always
RestartSec=60

[Install]
WantedBy=multi-user.target