Login or sudo su - fails after Leapp upgrade from RHEL 7.9 to 9.4/9.6 with errors: /opt/rh/rh-python38/enable: No such file, Can't read /etc/scl/conf/rh-postgresql10

Issue

• After performing a Leapp upgrade from RHEL 7.9 to RHEL 8.10 and finally to RHEL 9.6/RHEL 9.4, switching to the root user or any other user using sudo su - or su - fails with the following errors:

  -bash: /opt/rh/rh-python38/enable: No such file or directory
  Unable to get file status /etc/scl/conf/rh-python38: No such file or directory
  Can't read /etc/scl/conf/rh-postgresql10, rh-postgresql10 is probably not installed