It sounds to me like the file is in the incorrect format for UCCX. Do you know if your server is set to use G711 or G729?
You can verify by navigating to System > System Parameters in the section Media Parameters you will see the option for Codec....
Hello-
It sounds like the script doesn't know where the wav file you're trying to play lives on the server.
When you go into the properties of the Play Prompt step under the Prompt tab press the right most drop down arrow. It will have three do...