Magento admin categories not displaying correct - magento-1.7

Hi so I have this magento installation going. I have a problem when using the admin interface for categories. In the beginning everything works just fine, but at a random time after my clean install, the manage categories displays like this:
Any ideas why it does this? I can't add any categories after this error occurs.

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In Prestashop After Shifing Server-In Admin-Product etc. Pages showing 500 Internal Server Error

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Edited just now by gauravchawla18 (see edit history)
Your database is incomplete. At least ps_translation table is missing.
Please check your database import.

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Way interesting. I would start logging your db calls to find when and how the tables are emptied.
Check out this StackOverflow answer using MySQL.
If you get the exact query and user info, if Magento system user, search your whole install for that query reference.
Another option, if you have Magento plugins, disable all and see if the issue presents itself again.
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Dears
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To install sample data, enter the following command as the Magento file system owner:
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for more information please refer this link

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