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Hi i try to run a cronjob from my host

I recieve email with:
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Uitvoer van een cronjob voor idvhost: 7528, script: php -q /domains/eras-agency.com/public_html/cli/admintools-filescanner.php welke 0 seconde gedraaid heeft.
Admin Tools PHP File Scanner CLI 3.7.1 (2016-02-08)
Copyright (C) 2011-2016 Nicholas K. Dionysopoulos
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Admin Tools is Free Software, distributed under the terms of the GNU General
Public License version 3 or, at your option, any later version.
This program comes with ABSOLUTELY NO WARRANTY as per sections 15 & 16 of the
license. See http://www.gnu.org/licenses/gpl-3.0.html for details.
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You are using PHP 5.3.28 (cli)

Unsetting time limit restrictions
Starting file scanning

Error displaying the error page: Application Instantiation Error: Cannot save factory state in file storage, storage key /domains/eras-agency.com/public_html/tmp/akeeba_backend

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In the log i see:

 ERROR |160314 17:29:42|Cannot save factory state in file storage, storage key /domains/eras-agency.com/public_html/tmp/akeeba_backend

what can this be?

thanks

this solved the problem. Thanks! The permisson was 775