In general, I read the properties of the table and based on:
<w:tblGrid xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"> <w:gridCol w:w="1395"/> <w:gridCol w:w="15"/> <w:gridCol w:w="8161"/> </w:tblGrid> I conclude that table 3 is a cell.
I look at the table itself, and there are 2 columns throughout the table.
One of the cells is <w:gridSpan w:val="2" /> .
It turns out that cell merging was done? If a merge is done on the entire table, then should <w:gridSpan w:val="2" /> be written?
Looked at the table with specials. characters and saw nothing criminal: 
Is it possible to get rid of this phantom cell?