Addrow with array of cell values ignoring rowSpan cells

I made a grid as mentioned in DHTMLX examples and I had set values like below
mygrid.addRow(‘xrow’, [1,2,3,4,5,6,7]);

only first 3 values are added to row and remaining 4 are not added? Is there any problem with my code?


Unfortunately the issue cannot be reproduced locally.
Please, provide with a demo link or a complete demo, where the issue can be reconstructed locally.