ODS Files become corrupt too offen [closed]

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Hello,

I’m updating my calc files on daily base. Every few days one of then become corrupted. I don’t have any corruption problem with any other allocation. It seem as corrupted zip archive.

Do you have any idea what can cause that?

Is the a way not to compress the content of the ods file (maybe it will reduce the corruption risk)?

Using calc 4.2.7.2 and 4.3.4.1 on Ubuntu 14.04

Thank you