When cutting and pasting into Webdadi you need to make sure that there is no formatting attached to the script that you are attempting to paste.
Microsoft Windows automatically copies the size of the font and colour. Because of this, when you are attempting to paste information into Webdadi, first paste it into Notepad and then copy the information from there. This will remove any formatting.
This has to do with the way that Windows and other Microsoft products like Word work and the only other way around it is to write all the information directly into Webdadi.