While standing inside the Barbarian Outpost Agility course, as well as in the Brimhaven Agility course, I cannot seem to use  'Home Teleport', I can however teleport to Barbian Village or any of the other teleport options under the Quest tab, but when I use the home teleport (mine is set to Rimmington), it just will not work from inside these Agility courses. It is quite frustrating...

I have tried the following things to fix this and got the following results:
1. Changing my home teleport from Rimmington to elsewhere - result was unsuccessful
2. Re-logging - result was again unsuccessful
3. Re-installing the client - result was yet again unsuccessful