In case of branch "2.0-frozenRowsAndColumns"
Data disappear at frozen column, by User Scroll Event.
The cause can be found in the following code.
In "appendRowHtml" function between L.1935 and L.1948,
call "appendCellHtml" function three times by
L.1942
L.1944
L.1947
at last case,parameter "d" is missing.