The server failed to allocate the requested source or server memory. BadAtom A value for an Atom argument does not name a defined Atom. An InputOnly window is used as a Drawable. Some argument or pair of arguments has the correct type and range but fails to match in some other way required by the request. A value for a Pixmap argument does not name a defined Pixmap.
Some numeric value falls outside the range of values accepted by the request.
Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error. BadWindow A value for a Window argument does not name a defined Window.