i have done some changes in the PriceDiscTable Form and tried to open the form. then i am getting the above error. I have added only one method to the form and removed it still it is throwing the error.
Path for the form is Under Sales & Marketing module–>> Setup ----->>> in price/discount section—> item discount groups
after opening that select trade aggrements —>> first option as shown in picture
then i am getting the bellow error
tried to debug the issues the debugger is throwing the error in reSelect method of the form.