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I have 4 grids that have the drag and drop plugin enabled. Their initial grid is dependent on a value from the db called state_id. When I drop the selected row into a new grid, I update the state_id value and then tell it to sync up with the db and update the value for the item in question. This works fine for the most part. I get this URL is undefined error when the following happens User clicks drags row A from grid 1 to grid 2 User drags row A from grid 2 to grid 1 ERROR! Url undefined. This error only seems to happen when the first item being added to the grid originally came from the same grid. User clicks drags row A from grid 1 to grid 2 User clicks drags row B from grid 2 to grid 1 User clicks drags row A from grid 2 to grid 1 Works as intended! drop event handler inside my controller: dropit: function (node, data, dropRec, dropPosition) { if (node.dragData.records[0].store.$className == "AM.store.BacklogCards") { data.records[0].set('state_id', 1); this.getBacklogCardsStore().sync(); } else if (node.dragData.records[0].store.$className == "AM.store.InprogressCards") { data.records[0].set('state_id', 2); this.getInprogressCardsStore().sync(); } else if (node.dragData.records[0].store.$className == "AM.store.ReviewCards") { data.records[0].set('state_id', 3); this.getReviewCardsStore().sync(); } else { data.records[0].set('state_id', 4); this.getDoneCardsStore().sync(); } //node.dragData.records[0].store.sync(); }, Any ideas on what is causing this and how to fix it? Thanks

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