Why cells sometimes cannot be merged in Notes Designer

Have you ever been wondering, why sometimes you cannot merge cells in Notes Designer? Two cells are selected, you want to merge them, but the menu item is grayed out?



If this happens, you probably have set the properties of at least one of the cells to "Fixed width". Just uncheck the option in both cells, and you will be able to merge the cells.



Ten years of Notes experience, and a colleague had to tell me that today... doh...