Kickstart template error occurs after upgrading satellite server to 5.4 version.

Issue

• Following error occurs after upgrading satellite server to 5.4 version for kickstart templates:

  "There are errors in your kickstart template. Please check the template errors to determine the problem with the template."
  =====================================================================
  <pre>
  Mod_python error: "PythonHandler services"
  
  Traceback (most recent call last):
  
    File "/usr/lib64/python2.4/site-packages/mod_python/apache.py", line 287, in HandlerDispatch
      log=debug)
  
    File "/usr/lib64/python2.4/site-packages/mod_python/apache.py", line 464, in import_module
      module = imp.load_module(mname, f, p, d)
  
    File "/var/www/cobbler/svc/services.py", line 22, in ?
      from cobbler.services import CobblerSvc
  
    File "/usr/lib/python2.4/site-packages/cobbler/services.py", line 36, in ?
      import remote
  
    File "/usr/lib/python2.4/site-packages/cobbler/remote.py", line 45, in ?
      import api as cobbler_api
  
    File "/usr/lib/python2.4/site-packages/cobbler/api.py", line 28, in ?
      import action_sync
  
    File "/usr/lib/python2.4/site-packages/cobbler/action_sync.py", line 36, in ?
      import templar
  
    File "/usr/lib/python2.4/site-packages/cobbler/templar.py", line 29, in ?
      from template_api import Template
  
    File "/usr/lib/python2.4/site-packages/cobbler/template_api.py", line 42, in ?
      raise CX("/etc/cobbler/settings is not a valid YAML file")
  
  CX: '/etc/cobbler/settings is not a valid YAML file'