File created in X6 crashes X7

I have a lot of design templates created with X6 and trying to open some of them crashes X7. I have isolated the problem to files with several layers set to invisible. When opening the files in X6, turning layer visibility on and saving the file it opens fien in X7. Thought this might be of help to other users with who experience X7 crashing. If anyone would like to test this I can email a sample file

The settings to the left produces this:

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