俱舍論疏 6.244

6.244

論「若有可護至是名為失」，經部彈有部德，及出有部失也。

[When] the treatise [states]: "If there is anything to preserve ... this is called a fault," the Sautrāntika critiques the Vaibhāṣika's merit and exposes the Vaibhāṣika's fault.