XF 1.4 MySQL Errors During Add-On Install

[bumble]

I've been trying to install [KL] Fonts Manager and I run into an error every time. Can someone explain how to fix this? Preferably in simple terms for someone who is a total moron re: MySQL. Thanks!

Mysqli statement execute error : Duplicate column name 'additional_data'

1. Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 297
2. Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479
3. Zend_Db_Adapter_Abstract->query() in KL/Install.php at line 111
4. KL_Install::_processData() in KL/Install.php at line 152
5. KL_Install::install()
6. call_user_func() in XenForo/Model/AddOn.php at line 215
7. XenForo_Model_AddOn->installAddOnXml() in XenForo/Model/AddOn.php at line 169
8. XenForo_Model_AddOn->installAddOnXmlFromFile() in XenForo/ControllerAdmin/AddOn.php at line 187
9. XenForo_ControllerAdmin_AddOn->actionInstall() in XenForo/FrontController.php at line 347
10. XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
11. XenForo_FrontController->run() in /var/www/thestarwarsrp.com/public_html/forum/admin.php at line 13

 

[Paul B]

You will need to post in the resource thread for any support issues related to it.