Dear, i got this while following your tutorial
PE1(config)#mpls traffic-eng area 0
^(arrow symbol under area)
% Invalid input detected at ‘^’ marker.
PE1(config)#mpls traffic-eng ?
atm Preformatted text Traffic Engineering ATM parameters
uto-bw auto-bw parameters
link-management Link Management configuration
logging Trap logging configuration
path-selection Path Selection Configuration
reoptimize Reoptimization parameters
signalling Traffic Engineering Signalling Parameters
topology Topology Database Configuration
tunnels Traffic Engineering tunnels
Should i do instead this ?
configure terminal
mpls traffic-eng tunnels
router ospf 1
mpls traffic-eng router-id loopback0
mpls traffic-eng area 0