d = '{{ group|lower }}_placeholder'
              placeholder_row.className = 'priority-row-placeholder'
              placeholder_row.setAttribute('data-id', '{{ group|lower }}_placeholder')
              let cell = placeholder_row.insertCell(0);
              cell.colSpan = 7
              cell.innerHTML = 'Create a {{ group }} objective or drag-and-drop an objective here to update its priority.'
            } else {
              if (placeholder !== undefined) {
                placeholder.parentNode.par