why is there this bug where my game crashes when i click an illegal position

Sort:
Max1679
bruh white has 9 pawns and the screen disappears
Martin_Stahl
Max1679 wrote:
bruh white has 9 pawns and the screen disappears

Website or app?

Max1679
Both
Martin_Stahl

Do you have any examples?

Max1679
Like when the variant sick chess the notations were nf3 nf3 nf3 nf3 nf3 nf3