在orcad中点击"PSPICE" 》edit simulation profile 》configuration files 》browse 》把你的lib文件（你的应该是DB3.lib）加入即可（点击add to design，不行就再点击 add as global）。
This is the error which is been thrown whenever im using PSpice. Its now with AD741 but this error is thrown with any error. Im un able to simulate...