Hello Mohamed,
This bug is not released still on 6.1 version, Its only fix committed code not applied on stable 6.1 yet.
If you want solve this easily then you can apply the patch of lp:~openerp-dev/openobject-addons/6.1-opw-578933-nep branch and you can solve.
This will applied on 6.1 soon,,!!
Hello Mohamed,
This bug is not released still on 6.1 version, Its only fix committed code not applied on stable 6.1 yet.
If you want solve this easily then you can apply the patch of lp:~openerp-dev/openobject-addons/6.1-opw-578933-nep branch and you can solve.
This will applied on 6.1 soon,,!!