It's given either of these messages when loading the project:
Could not read XML data 10:61; '61' violates maxInclusive constraint of '50'. The attribute '{http://www.tx16wx.com/2.0/program}fine' with value '61' failed to parse.
The SF2 is on this page: http://www.williamkage.com/snes_soundfonts (it's the Earthbound one)Could not read XML data 10:61; Unspecified error: Wave reference out of range: 288