Patching get failed on RHEL 6 machine

Hello All,

We are patching RHEL 6 server by using BigFix but it got failed with the below error:

23987 : 2023-01-21 06:33:18 : ERROR : yum command not continue, last command exit code is not 0
24001 : 2023-01-21 06:33:26 : INFO : Start Task ID: 22564060
24001 : 2023-01-21 06:33:26 : INFO : RHEL-Patch-Client at version 2.0.1.0
24001 : 2023-01-21 06:33:26 : INFO : 01 setup and request repomd.xml
24001 : 2023-01-21 06:33:26 : WARNING : Repo list is empty for OS: els-6-x86_64
24003 : 2023-01-21 06:33:26 : INFO : 03 lock repo data
24005 : 2023-01-21 06:33:27 : INFO : 03.5 unarchive metadata
24005 : 2023-01-21 06:33:27 : WARNING : Repo list is empty for OS: els-6-x86_64
24007 : 2023-01-21 06:33:27 : INFO : 04 dependency resolution and request packages
24007 : 2023-01-21 06:33:27 : WARNING : Repo list is empty for OS: els-6-x86_64
24007 : 2023-01-21 06:33:27 : INFO : Download Plugin mode.
24007 : 2023-01-21 06:33:27 : INFO : Run cmd: env: {} cmd: yum --verbose --cacheonly -c /var/opt/BESClient/EDRDeployData//EDR_Yumconfig_22564060 --bf_dependency_resolution install --assumeyes kernel-firmware-2.6.32-754.48.1.el6.noarch kernel-2.6.32-754.48.1.el6.x86_64 kernel-headers-2.6.32-754.48.1.el6.x86_64 perf-2.6.32-754.48.1.el6.x86_64
24007 : 2023-01-21 06:33:27 : INFO : Set timout: 1785 seconds
24007 : 2023-01-21 06:33:28 : ERROR : Dependency resolution failed.
24007 : 2023-01-21 06:33:28 : ERROR : Exit Code: 1
Loading “yum-rhsmplugin” plugin
Config time: 0.007
Yum Version: 3.2.29
rpmdb time: 0.000
Setting up Install Process
Setting up Package Sacks
Checking for virtual provide or file-provide for kernel-firmware-2.6.32-754.48.1.el6.noarch
Setting up Package Sacks
No package kernel-firmware-2.6.32-754.48.1.el6.noarch available.
Setting up Package Sacks
Setting up Package Sacks
Checking for virtual provide or file-provide for kernel-2.6.32-754.48.1.el6.x86_64
Setting up Package Sacks
No package kernel-2.6.32-754.48.1.el6.x86_64 available.
Setting up Package Sacks
Setting up Package Sacks
Checking for virtual provide or file-provide for kernel-headers-2.6.32-754.48.1.el6.x86_64
Setting up Package Sacks
No package kernel-headers-2.6.32-754.48.1.el6.x86_64 available.
Setting up Package Sacks
Setting up Package Sacks
Checking for virtual provide or file-provide for perf-2.6.32-754.48.1.el6.x86_64
Setting up Package Sacks
No package perf-2.6.32-754.48.1.el6.x86_64 available.
Setting up Package Sacks

Error: Nothing to do

24011 : 2023-01-21 06:33:28 : ERROR : yum command not continue, last command exit code is not 0

Please help to understand what is the issue.