After double click on the cell, it does not turn not to be editable with the following errors :
pqgrid.dev.js:4866 Uncaught TypeError: $parent.zIndex is not a function(…)fn._generateCellRowOutline @ pqgrid.dev.js:4866fn._editCell @ pqgrid.dev.js:5878fn.editCell @ pqgrid.dev.js:5768fn._onDblClickCell @ pqgrid.dev.js:3508(anonymous function) @ pqgrid.dev.js:2523dispatch @ jquery-2.2.3.min.js:3r.handle @ jquery-2.2.3.min.js:3
pqgrid.dev.js:4865 [div#grid_array.pq-grid.ui-widget.ui-widget-content.ui-corner-all.pq-disable-select.ui-resizable.pq-p…, context: div#grid_array.pq-grid.ui-widget.ui-widget-content.ui-corner-all.pq-disable-select.ui-resizable.pq-p…]
