If you use an Ajax button in a grid and group the grid, the button becomes disabled if, after grouping, you go to the total and select a row (total). The error therefore occurs if you use a filter from the total.
If you use an Ajax button in a grid and group the grid, the button becomes disabled if, after grouping, you go to the total and select a row (total). The error therefore occurs if you use a filter from the total.