Permission denied (publickey). Exited with code exit status 255 CircleCI received exit code 255

Hi, I am quite having trouble with the deploy step. I am having this errors even though I’ve already added a User key, a Deploy Key and an Additional ssh key:

Permission denied (publickey).
Exited with code exit status 255 CircleCI received exit code 255

Im still new with CircleCi, I hope someone can help ne with this. Thanks!

Is this a public or private repo?

This is a private repo