Device iDRAC - RRDTool Output Error Drawing Graph

Hi, I have issue when monitoring iDRAC sensor, only sensor below had error and not showing
Memory Usage : not showing
Processor Usage : Drawing Error

only iDrac have issue for graph, else (local device, fortigate) are working properly, does any one have same issue like this, kindly need your share how to solve this issue, thanks

[[email protected] ~]$ git pull
warning: Pulling without specifying how to reconcile divergent branches is
discouraged. You can squelch this message by running one of the following
commands sometime before your next pull:

git config pull.rebase false # merge (the default strategy)
git config pull.rebase true # rebase
git config pull.ff only # fast-forward only

You can replace “git config” with “git config --global” to set a default
preference for all repositories. You can also pass --rebase, --no-rebase,
or --ff-only on the command line to override the configured default per

Already up to date.
[[email protected] ~]$ ./
Updating to latest codebase OK
Updating Composer packages OK
Updating SQL-Schema OK
Updating submodules OK
Cleaning up DB OK
Fetching notifications OK
Caching PeeringDB data OK
[[email protected] ~]$ ./validate.php

Component Version
LibreNMS 21.3.0-103-gc46479753
DB Schema 2021_04_08_151101_add_foreign_keys_to_port_group_port_table (208)
PHP 7.3.20
Python 3.6.8
MySQL 10.3.27-MariaDB
RRDTool 1.7.0


[OK] Composer Version: 2.0.12
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[[email protected] ~]$