debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/ajana/.ssh/id_mer_rsa.pub
debug2: we sent a publickey packet, wait for reply
debug1: Server accepts key: pkalg ssh-rsa blen 279
debug2: input_userauth_pk_ok: fp e6:d3:10:13:ea:a0:f9:9d:95:55:f6:33:88:ed:70:d0
Agent admitted failure to sign using the key.