bugfree转换禅道6.2 ，没反映

错误日志：

<?php
 die();
?>

14:51:11 Declaration of bugfree1ConvertModel::execute() should be compatible with bugfreeConvertModel::execute($version) in D:\xampp\zentao\module\convert\converter\bugfree1.php on line 27555680 when visiting convert-execute

14:51:11 ERROR: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'bugfree.buggroup' doesn't existThe sql is: SELECT groupID AS id, groupName AS name, groupUser AS users FROM BugGroup in D:\xampp\zentao\lib\dao\dao.class.php on line 503, last called by D:\xampp\zentao\lib\dao\dao.class.php on line 605 through function query.
 in D:\xampp\zentao\framework\router.class.php on line 1577 when visiting convert-execute