jos-Error: Phoca Gallery is not installed on your system

JSite -> render() @ /var/www/happydog/index.php:48
JDocumentHTML -> render() @ /var/www/happydog/includes/application.php:268
JDocumentHTML -> _renderTemplate() @ /var/www/happydog/libraries/joomla/document/html/html.php:433
JDocumentHTML -> getBuffer() @ /var/www/happydog/libraries/joomla/document/html/html.php:652
JDocumentRendererModules -> render() @ /var/www/happydog/libraries/joomla/document/html/html.php:371
JDocumentRendererModule -> render() @ /var/www/happydog/libraries/joomla/document/html/renderer/modules.php:39
JModuleHelper :: renderModule() @ /var/www/happydog/libraries/joomla/document/html/renderer/module.php:107
include() @ /var/www/happydog/libraries/joomla/application/module/helper.php:173
JError :: raiseError() @ /var/www/happydog/modules/mod_phocagallery_image/mod_phocagallery_image.php:13
JError :: raise() @ /var/www/happydog/libraries/joomla/error/error.php:251