row.remove() and write the selected row to another tabbed table

Link to test case: https://jsfiddle.net/BeerusDev/5nLg4bt0/171/

Hello,

I have tried to create a tabbed DataTable, but 1) the tabs aren't working like they should. 2.) My select option isn't working. I can select the row and click on the "Mark Task as Complete" and it will delete the item in the DataTable. What I am trying to do is have it save as a rowNode then remove from table and draw it to completedTable. But I am getting a script error

Uncaught TypeError: Cannot read property 'nodeName' of null