Invalid column definition data

#0 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/lib/Varien/Db/Adapter/Pdo/Mysql.php(838): Varien_Db_Adapter_Pdo_Mysql->_getColumnDefinition(Array)
#1 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/code/core/Enterprise/SalesArchive/Model/Resource/Setup.php(135): Varien_Db_Adapter_Pdo_Mysql->addColumn('enterprise_sale...', 'block_html', Array)
#2 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/code/core/Enterprise/SalesArchive/Model/Resource/Setup.php(91): Enterprise_SalesArchive_Model_Resource_Setup->_syncTable('sales_flat_orde...', 'enterprise_sale...')
#3 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/code/core/Enterprise/SalesArchive/Model/Resource/Setup.php(76): Enterprise_SalesArchive_Model_Resource_Setup->_syncArchiveStructure()
#4 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/code/core/Mage/Core/Model/Resource/Setup.php(242): Enterprise_SalesArchive_Model_Resource_Setup->afterApplyAllUpdates()
#5 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/code/core/Mage/Core/Model/App.php(417): Mage_Core_Model_Resource_Setup::applyAllUpdates()
#6 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/code/core/Mage/Core/Model/App.php(343): Mage_Core_Model_App->_initModules()
#7 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/app/Mage.php(692): Mage_Core_Model_App->run(Array)
#8 /data/sites/cityfurniture-20140701-1400/cityfurniture.com/index.php(90): Mage::run('default', 'store')
#9 {main}