Bitmap is only allowed for use with 1 interrupt

[Marian_M]

You dont show all, but primary try change

while(1) {
lv_task_handler();
HAL_Delay(5);
if(update) update_Realtime();

seems you update_Realtime() use lv functions to show somethink. This is bad choice …

if (htim->Instance == TIM5) update = true;