Core panic'ed lv_slider_set_value 8.4 about lvgl HOT 4 CLOSED

Ok, the error is sitting in front of the keyboard...

static lv_obj_t *slider_volume;
lv_obj_t * slider_volume = lv_slider_create(lv_scr_act());

i declared the object twice

from lvgl.

I upgraded to 9.1 but same problem

PC: 0x400e9f17: lv_bar_set_value at E:\workdir\arduino\preamplifier\arduino-1.8.19\portable\sketchbook\libraries\lvgl\src\widgets\bar\lv_bar.c line 96
EXCVADDR: 0x0000002c

Decoding stack results
0x400e9f14: lv_bar_set_value at E:\workdir\arduino\preamplifier\arduino-1.8.19\portable\sketchbook\libraries\lvgl\src\widgets\bar\lv_bar.c line 92
0x400d1a81: loop() at e:\workdir\arduino\preamplifier\arduino-1.8.19\portable\sketchbook\libraries\lvgl\src/widgets/slider/lv_slider.h line 79
0x400f9a79: loopTask(void*) at E:\workdir\arduino\preamplifier\arduino-1.8.19\portable\packages\esp32\hardware\esp32\2.0.11\cores\esp32\main.cpp line 50

from lvgl.

Can you add this at the beginning of lv_bar_set_value()?

printf("%p\n", obj); //Or an equivalent print functions

from lvgl.

i get 0x0
So no object?
Funny thing is...if i set the value somewhere else like while i setup the screens it does not crash and i get 0x3ffc50f4
In fact i get this number 0x3ffc50f4 probably when the slider is first drawn, then again when i set the value where i build the screen and thirdly when i set the value at the point it crashes.
I can use the slider, everything else seems to work, i just cant set the value. Bar set is not called when i move the slider.

from lvgl.