Hi,
See the attached config, test again:
aaa authentication enable default group tacacs+ enable
aaa authorization exec default group tacacs+ local
aaa authorization commands 0 default group tacacs+ none
aaa authorization commands 1 default group tacacs+ local
aaa authorization commands 15 default group tacacs+ local
!
enable secret xxxxx
username xxxx privilege x secret xxxx
Regards,
Cristian Matei.