Add New Rows and Columns Inside Section
Add New Rows or Columns inside any section.

Add New Row with Columns

To add a new row in empty section click "+ Add Row with Column" button. To add new row after another row, take a look top center of the existing row. Find the following icon
and click on it.
Then click on pre-configured columns to insert the row with column.
Row will not accept elements directly. You need to add columns inside row. And elements inside column

Add New Column inside Row

In an empty row, Click on "+ Add Columns" to add new column. To add new column after existing column, Find 3 dots
on column controls and click on it then click "New Column". Click on column size to insert it. See the video above for live work example.