Display image issue with lvgl 9

Description

I am trying to put image on button.

What MCU/Processor/Board and compiler are you using?

stm32f746disco board and STM IDE

What LVGL version are you using?

master

What do you want to achieve?

display image on button

What have you tried so far?

able to create window, button write text but when i had tried to put image on button it shows error as below