black page at Final Fantasy Tactics A2 Grimmore of the Rift ds

i was playing it after downloading it at first the ads were okay and the menu...then i moved onto the game like the usual process they ask what i believed to be non-related questions after that i came to the classroom after the main character moved to the teacher's desk it went black screen. i am using No$gba 2.6A have not tested 2.6 yet

Try using NO$ZOOMER. https://www.romulation.org/forum/index.php?topic=1462.0