Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1631379

Description of problem: After adding default organization/location, Listing puppet class fails with error

Internal Server Error: the server was unable to finish the request. This may be caused by unavailability of some required service, incorrect API call or a server-side bug. There may be more information in the server's logs.

Version-Release number of selected component (if applicable): Satellite 6.4
satellite-6.4.0-14.el7sat.noarch

How reproducible: Always

Steps to Reproduce:

[root@satellite64 ~]# hammer organization list
---|----------------------|----------------------|-------------|----------------------
ID | TITLE | NAME | DESCRIPTION | LABEL
---|----------------------|----------------------|-------------|----------------------
1 | Default Organization | Default Organization | | Default_Organization
---|----------------------|----------------------|-------------|----------------------

[root@satellite64 ~]# hammer defaults list
----------------|------
PARAMETER | VALUE
----------------|------
organization_id | 1
----------------|------

[root@satellite64 ~]# hammer puppet-class list
Internal Server Error: the server was unable to finish the request. This may be caused by unavailability of some required service, incorrect API call or a server-side bug. There may be more information in the server's logs*Actual results:*

Expected results: It should list puppet classes

Additional info: Applied the PR https://github.com/theforeman/foreman/pull/6075/files but still, this is failing.
This is working in satellite 6.3