display ads not displaying only auto ads is displaying

<img width="1171" alt="Image" src="https://github.com/user-attachments/assets/4cdc3ad4-ac1f-4e1d-8190-27c022167c54" />

<img width="480" alt="Image" src="https://github.com/user-attachments/assets/fbc9ad20-38ba-4888-90cb-e76ac99b4190" />

i am using next15 app router 

ads is only displaying the autoads
no adUnit  ads are displaying