can not call method open of undefined

can not call method open of undefined cannot call method open of undefined是什么意思 You can call me ah I do not sleep have been waiting for you You can call me ah I do not sleep have been waiting for you call/transaction does not _____tell us more about tomorrow's weather,so pleaplease call 121a,not anybody can b,anybody can c,nobody can d,not one can You can call me if you are not s( ) how to do it i'm not free this morning.can you call me a__lunch? 填介词 He is not ____.You can call him at night. You can call me We can call the You can call which method?谢谢了,大神帮忙啊Hallo All, Which method from the class 'CL_GUI_FRONTEND_SERVICES' can find it out..whether a particular directory is existing or not. ..Thanks in advance. Ｔhe future does not call. 英语翻译The concept of call by referencedoes not exist,removing one way in which side effects can be caused. 脑筋急转弯 What can you catch but not throw?What do you call a deer with no eyes? It's not easy.some drivers don't like me.they call mecopand can be quite rude sometimes. Can I call my father? Can you call back later?