Fatal error: Call to a member function add() on a non-object in的翻译：Fatal error: Call to a member function add() on a non-object in 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

致命错误：非对象上调用成员函数add（）

Fatal error: Call to a member function add() on a non-object in

Error: Call Fatal to add a member function on a non-object () in

Fatal error: Call to a member function add() on a non-object in