I am getting the following error when trying to create an omega-sub-theme on my local machine (OSX) using drush on Acquia Dev Desktop.

PHP Fatal error:  Call to undefined function _omega_tools_transform_theme_name()

Install process I followed goes:

  1. Set Name
  2. unique machine name
  3. Omega (HTML5 base)
  4. Default Starterkit
  5. Destination: sites/all/themes
  6. keep starterkit read me files
  7. enable theme/ set as default
  8. download libraries defined in libraries.make

Fatal error occurs here.

  • What version of Omega? If 3.x you need to install Omega Tools
    – Clive
    Commented Dec 8, 2014 at 10:13
  • Running Omega 4.x
    – Khrys
    Commented Dec 8, 2014 at 11:33
  • Do you have Omega Tools installed? If so uninstall it (from the docs: Omega 4.x should NOT be used with Omega Tools and Delta)
    – Clive
    Commented Dec 8, 2014 at 11:41

1 Answer 1


As per Clive's comment the error was Omega-Tools. I had disabled it but it required uninstalling and then I even had to delete the module from the modules directory to stop it from showing up in the modules page. After this I encountered this issue ( https://www.drupal.org/node/2200473 ) and then everything worked. Thanks Clive.

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