Database Error

Error message returned from the database:

Could not execute query [Native Error: Unknown storage engine 'InnoDB'] [User Info: SELECT Category.ID, Category.parentNodeID, Category.lft, Category.rgt, Category.defaultImageID, Category.eavObjectID, Category.name, Category.description, Category.keywords, Category.pageTitle, Category.isEnabled, Category.availableProductCount, Category.activeProductCount, Category.totalProductCount FROM Category WHERE (Category.ID=5) ]