The following error occurs when executing a MySQL 5.5 DDL script that was generated in Toad Data Modeler:
CREATE TABLE `Test` ( `TestId` Bigint UNSIGNED NOT NULL AUTO_INCREMENT,`TestTypeId` Int)
"Error Code: 1064. You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '`TestId` (`TestId`) )' "
WORKAROUND
Change the generate script options as follows:

STATUS
Fixed in version 6.2. The latest release can be downloaded here.