Cant install gallery 2, I get stuck at step 8.....

Error (ERROR_BAD_PARAMETER) : /home/point7/public_html/gallery/modules/core/classes/helpers/../../../../themes/matrix/theme.inc
in modules/core/classes/helpers/GalleryPluginHelper_simple.class at line 105 (gallerystatus::error)
in modules/core/classes/helpers/GalleryPluginHelper_simple.class at line 99 (gallerypluginhelper_simple::loadplugin)
in modules/core/classes/GalleryCoreApi.class at line 187 (gallerypluginhelper_simple::loadplugin)
in modules/core/CoreModuleExtras.inc at line 134 (gallerycoreapi::loadplugin)
in modules/core/module.inc at line 485 (coremoduleextras::upgrade)
in modules/core/classes/GalleryModule.class at line 158 (coremodule::upgrade)
in install/steps/InstallCoreModuleStep.class at line 124 (coremodule::installorupgrade)
in install/index.php at line 167 (installcoremodulestep::loadtemplatedata)
[url]
http://www.point7.co.uk/gallery/g2data/install.log[/url]