Hello,

You will find the answer of synology support :

The problem is when I re-install OpenErp 7 it automatically update Python module .....

If you have the solution ....

Thanks

Dear Marc,
Thank you for contacting Synology support.
This is a known issue which will be fixed in future release.
For the time being, you could uninstall the version 0008 of PythonModule then install a older version 0006:
http://dedl.synology.com/download/spk/PythonModule/0006/PythonModule-armadaxp-0006.spk
If the problem remains, please follow the instructions below and provide the information requested, so that we can check your system from here.
And please do not disable the service and power off your DS until the problem is solved.
Remote Access Instructions
===============================================================
For DSM 5.0:
1. Please provide the Support Identification Key in Main Menu > Support Center in words to us and enable remote access.
2. Enable SSH service in Control Panel > Terminal & SNMP
3. Tell us your temporary password(including number&letter for security concern) for the 'admin' account on your Synology NAS.
Note 1: Other user accounts with admin privilege won't work.
Note 2: The temporary password should not be too simple and must contain numbers and letters.
Please also enable Auto Block in Control Panel > Security to enhance system security.
===============================================================
We will not disclose/access any of your private data. Please offer us the remote access for troubleshooting purposes. Thank you.
Hope this helps.
—
Take care and have a good day,
Technical Support
Chris Chang

Hi I have similar issue here :

https://www.odoo.com/fr_FR/forum/help-1/question/openerp-7-synology-no-possible-to-archive-database-syntaxerror-json-parse-error-unexpected-eof-91158

thanks