First up, yesterdays new beta drop doesn't seem to point to a file, it just opens a browser to your home page.
Next, the attached SP, can be entered into the DDT, but you can't then save it after modification. The error is that a truncation would occur. I hope you are able to replicate this.
thanks
Geoff
As for your SPROC...I know you don't want to hear this, but it worked just fine. It almost sounds as though your StrataFrame structure is wrong or has been changed because the only time that you generally see this message is when the text is longer than the field will allow...but we allow MAX on this (which would be over 2.1 GB). You can see the screen shot of the parsed fields within your view once I created the view in my test profile: