Permission denied
### How did it happen?
1. I did the getting started tutorial to add my sketch file to git.
2. I selected the dev branche, made a commit and wanted to push it.

I use an ssh-key but it doesn't work and I'm getting an error like bellow. Other commits to my development repo's are working.

Maybe I'm missing somthing – Thanks for help!
Selim

### Error log

```
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
```