Error in opatchauto when applying patch 31305382 (GI JUL 2020 RU 12.2.0.1.200714)

Hi,

I'm trying to apply patch 31305382 in a test environment that contains two nodes RAC database (Enterprise Edition 12.2.0.1) installed on Centos 7.

After completing prechecks and run the following command:

opatchauto apply /u02/31305382

I got the following error in log file:

OUI-67073:UtilSession failed: ApplySession failed in system modification phase... 'ApplySession::apply failed: mv: cannot move ‘/u01/app/12.2.0/grid/lib/libasmclntsh12.so’ to ‘/u01/app/12.2.0/grid/lib/libasmclntsh12.so.bak’: Permission denied

make: *** [update_patchrep] Error 1

and optach exit with the following error:

 opatchauto failed with error code 42

Appreciate your support on how to proceed with patch installation.

Thanks