Yem 2.7

[chax]

PSR SX900:YEM 2.7
Some of the ppf packs when being combined and exported as PPI in the KB ,It shows at the end 'data error'. On a close examination I found that these PPI packs on the YEM show the voices as locked in Brown Colour. Is it because of this that a data error is being shown in which case how to unlock these voices? Else what could be the probable error?
Thanks
Chax