Hi guys, i again...
Today (like everyday) when i was working with the program and i wanted to save the document, the program crash and closed... Now when i open the document give me error (the image is attached). How i can resolve it? The document have so much work and do not want to do it again.
Thanks again and i hope you can help me!

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Desripiadora Plana OT - Compuerta Plana - 5 Vigas.sm (3,55 MiB) scaricato 1439 volta(e).

Thanks for your help Ioan, and i have been downloaded the plugin but don't appear "File recovery" what should I do?
Can you repair this document too pls?

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Desripiadora Plana OT - 2 Hojas.sm (3,56 MiB) scaricato 1371 volta(e).

Wrote

i have been downloaded the plugin but don't appear "File recovery" what should I do?

The plugin in which is included this option was made for SMath Studio 0.97.5581 (Nightly Build). Probably you are using an older version

Wrote

Wrote

i have been downloaded the plugin but don't appear "File recovery" what should I do?

The plugin in which is included this option was made for SMath Studio 0.97.5581 (Nightly Build). Probably you are using an older version

Ah... good point. I have 0.97(5346) ... I would download the latest (or beta, is the same?)