Error in file: "/home/berbasho/public_html/app/code/community/BL/CustomGrid/sql/customgrid_setup/mysql4-upgrade-0.8.4.4-0.8.9.php" - SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'max_custom_column_id'

#0 /home/berbasho/public_html/app/code/core/Mage/Core/Model/Resource/Setup.php(579): Mage::exception('Mage_Core', 'Error in file: ...')
#1 /home/berbasho/public_html/app/code/core/Mage/Core/Model/Resource/Setup.php(397): Mage_Core_Model_Resource_Setup->_modifyResourceDb('upgrade', '0.8.4.4', '0.9.0.1')
#2 /home/berbasho/public_html/app/code/core/Mage/Core/Model/Resource/Setup.php(292): Mage_Core_Model_Resource_Setup->_upgradeResourceDb('0.8.4.4', '0.9.0.1')
#3 /home/berbasho/public_html/app/code/core/Mage/Core/Model/Resource/Setup.php(214): Mage_Core_Model_Resource_Setup->applyUpdates()
#4 /home/berbasho/public_html/app/code/core/Mage/Core/Model/App.php(363): Mage_Core_Model_Resource_Setup::applyAllUpdates()
#5 /home/berbasho/public_html/app/code/core/Mage/Core/Model/App.php(295): Mage_Core_Model_App->_initModules()
#6 /home/berbasho/public_html/app/Mage.php(629): Mage_Core_Model_App->run(Array)
#7 /home/berbasho/public_html/index.php(203): Mage::run('base', 'website')
#8 {main}