Steps to reproduce :

1. Having a search model without the contentLanguage system criteria defined in the advanced-search-criteria.
2. Save a query from the advanced search of this search model.
3. Open the query.
4. On opening, it fails with the following error :

   ServerComm.js:862 Uncaught TypeError: Cannot read property 'store' of undefined
       at constructor._setRowValues (AdvancedSearchFormPanel.js:467)
       at Object.<anonymous> (AdvancedSearchFormPanel.js:436)
       at Object.each (ext-all-debug.js:3249)
       at constructor._drawExpression (AdvancedSearchFormPanel.js:430)
       at constructor.initForm (AdvancedSearchFormPanel.js:260)
       at constructor._initSearchForm (ContentSearchTool.js:1046)
       at constructor._configureSearchColumns (AbstractSearchTool.js:853)
       at constructor._configureSearchTool (AbstractSearchTool.js:788)
       at constructor._getSearchModelCb (ContentSearchTool.js:1027)
       at constructor.<anonymous> (ServerComm.js:442)