Gettin error when start pgscv

[GerrMullers]

when pgscv starts i after small time i get error
Dec 16 11:34:25 server pgscv[22893]: {"level":"error","service":"pgscv","time":"2021-12-16T11:34:25+02:00","message":"system/sysinfo collector failed; invalid input, '': wrong number of values"}
on prometheus error is
Get "http://server:9890/metrics": context deadline exceeded

status:
● pgscv.service - pgSCV is the Weaponry platform agent for PostgreSQL ecosystem
Loaded: loaded (/etc/systemd/system/pgscv.service; enabled; vendor preset: disabled)
Active: active (running) since Thu 2021-12-16 11:40:31 EET; 16min ago
Main PID: 24659 (pgscv)
CGroup: /system.slice/pgscv.service
└─24659 /app/pg/pgscv/pgscv --config-file=/app/pg/pgscv/pgscv.yml --log-level="debug"

yaml
listen_address: server:9890
autoupdate: off
no_track_mode: false
services:
"postgres_server:5432":
service_type: "postgres"
conninfo: "postgres://pgscv:password@127.0.0.1:5432/postgres"

after a long time starts, but then falls again

user in database
CREATE USER pgscv WITH PASSWORD 'password';
GRANT pg_read_server_files, pg_monitor TO pgscv;
GRANT EXECUTE on FUNCTION pg_current_logfile() TO pgscv;

[lesovsky]

Hi,
could you provide info about operation system and content of /etc/os-release

[Gerrmuller]

NAME="Red Hat Enterprise Linux Server"
VERSION="7.8 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VARIANT="Server"
VARIANT_ID="server"
VERSION_ID="7.8"
PRETTY_NAME="Red Hat Enterprise Linux Server 7.8 (Maipo)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.8:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.8
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.8"

[Gerrmuller]

Hi