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Showing developer posts only. Show all posts in this thread.
Editor most likely is not compatible with beta patches.

Since we don't support either, I cannot help you much.

Someone in the scenario forum might know the exact change(s) that messed it up, you could ask there. Frankly it is much eisier to make the changes you want to the file directly, so most people have never used the editor.
 
Check with the scanario forum lots of good info there, and I recommend Havard site as well.