[WARNING] [INS-08101] Unexpected error while executing the action at state: ‘supportedOSCheck’

 [WARNING] [INS-08101] Unexpected error while executing the action at state: ‘supportedOSCheck’

Workaround 1

Set the OS parameter in your terminal to a previous version and re-start the Oracle Universal Installer.

export CV_ASSUME_DISTID=RHEL8.9

Workaround 2

Edit the file cvu_config which is located in $ORACLE_HOME/cv/admin, change the line from

# Fallback to this distribution id

#CV_ASSUME_DISTID=OEL6

to

# Fallback to this distribution id

CV_ASSUME_DISTID=RHEL8.9