Column Resize issue with column Colapse


I am using the pro version (130619) of DHTMLXGRID, in my datatable i am having frozen columns,
multiple column header and column colapse. if i try to resize the colapsable column header(right side bar), it shows the default first column along with last sub column. can you please let me know the fix…

Unfortunately the issue cannot be reproduced locally.
Please, provide with any kind of sample of your ode with the init of your grid or a complete demo, where the issue can be reconstructed locally.