 Could not create edge

hello , who can help me .
![截图 2022-10-18 16-16-46](https://user-images.githubusercontent.com/116059756/196386639-f1de2e32-3fc5-4c53-b083-f5fdbae414dd.png)
![截图 2022-10-18 16-19-31](https://user-images.githubusercontent.com/116059756/196386571-13db8a0d-99d7-4207-82e4-2728f87dd2b3.png)
