To create a new status, you need to go to the project and select the Board View. The add button is located after the last column of the board, as the new column will be added at the end.
  1. Open the project panel and select the project
  2. Select 'Board' under the project name
  3. Scroll the columns to the left and find the 'Add Column' button
  4. Specify the name of the column
  5. Click 'Save'