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I just saved a document, and now when I open it it gives me all sort of errors, it works very slowly, some layers get stuck or disappear or are not shown properly, and when rendering some layers are missing. Here is a link to the file:

https://drive.google.com/open?id=0B6LMR ... VJqTUUwUm8" onclick="window.open(this.href);return false;

My OS is Windows 7 professional, 64bit, my software version is TVPaint animation 10.5.7 , 64 bit