Reports error to the agent.

• access_point - The access point that triggered this error.
• message - The error message.

struct Efl.Net.Control.Agent_Error {
    access_point: Efl.Net.Control.Access_Point;
    message: string;
}

typedef struct _Efl_Net_Control_Agent_Error {
    Efl_Net_Control_Access_Point *access_point;
    const char *message;
} Efl_Net_Control_Agent_Error;