php yii在数据库中找不到活动记录类“”的表“”

I have created all my models for my mysql db in yii which works fine. Now I want to add an extra db which is mssql 2000. I have set up php and the pdo adapter after several hours. Now I am trying to create a model for just a single table in mssql. it does not let me. I get the following error.I have created all my models for my mysql db in