This is a known issue and Sapience addressed it about 10-15 minutes ago.
Originally Posted by
Sapience
This should be resolved in the next 15-20 minutes. While you most likely will not need to do anything to gain the access you purchased, it is possible that you might need to log out and log back in to reset the account access.
Again, this only applies if you have purchased the BASE Pre-purchase edition of Riders of Rohan.
So hopefully it will be fixed real soon.
R5 105 GRD Marevayave - Leader of Riddermarked For Death
R8 115 MNS Fayah/115 LM Siennah/115 HNT Dinenol/115 RK Dhurik
115 CHN Alachas/85 CPT Dinfaerien/61 BUR Dhax/115 WDN Godoric
R9 115 MNS Fayeh (alt Wilya) - Lonely Mountain Band @ Landroval