well i was with you till this point. i have version 1.12 and am having the same problem. im trying to convert binary to text. i have tried using convert data and i get that error i tried using convertdata /convertxsi gui and it just flashes but does nothing. the agravation is rising i can mod the game if i have test files i can write scripts easily and yet i cant get this one thing to work
Hey khill9981
I've loaded up all the things you need to convert the files. 
Disclaimer notes first off, please read them before you download anything!
PLEASE SCAN THE DOWNLOADED FOLDERS BEFORE EXTRACTING THEM, WITH ANY GOOD ANTI-VIRUS AND SPYWARE PROGRAM!!! ITS JUST BETTER TO BE SAFE THAN SORRY, I ALWAYS DO THIS WITH ANY FILES OR FOLDERS I DOWNLOAD!!!
Stardock Games, Inc. are not supporting any modifications made by the end users. This is at your own risk. Please do not call or email there customer support for help with these files.
These files are in no way connected to, or affiliated with the Developers of Sins of a Solar Empire, Inc, its employees, representatives, consortium's, or other persons or companies associated with it.Therefore, the creator of these files, will take no responsibility for harm that it might do to your game or computer by trying these
files.
It has not harmed my game or computer but use these files at your own RISK OK.
By downloading this zip folder you are agreeing, that you have READ and UNDERSTOOD the Disclaimer.
Sorry for putting the above BS, but you have to cover yourself legally today. That's the legal crap done with.
http://www.filefactory.com/file/a01hh75/n/Tools_for_converting_Sins_of_a_Solar_Empire_Data_Files_zip
If this doesn't work I'm not sure what is going wrong.