My lawyer applied a resident permit for my wife according to Aufenthaltserlaubnis nach $ 30 AufenthG, The Ausländerbehörde replied my lawyer that according to this paragraph a visa procedure must take place. My wife and I have being living together for 3years now, I have paragraph 25b. ABS. 1 S . 1 she is also attending integration course for 8 months now. We have family Versicherung together, she has been benefits from me for 3years we have been living together. I am working, i rent a flat which i add is name on the Wohnung Vertrag. The Ausländerbehörde want my wife to process a visa. My wife has been in Deutschland since January 2020. Please I need advice on what to do. My wife cannot go back to Nigeria