using wav files on samplers

[Perim]

Hello
I used to produce my own wav files in Sonar and work with samplers inside the reason 4. Now i am trying to do it in the Reason 8 and it doesn´t work. Do I have to make any king of configuration or is ir impossible? Somebody help me , please!

[swamptooth]

which sampler and how are you trying to load them?