Display ssd1306 doesn't work

[45aaa23]

good afternoon. help me please. individually code 2 and 3 work fine. but when i put them together in code 4, the display doesn’t work

1.xodball (88.6 KB)

[gweimer]

If you open the device node that is erroring out does it provide any more information?

[45aaa23]

do you mean like in the photo? in the pop-up window (ssd1306-oled-i2c-device) writes (node ​​raised an error), on other nodes it writes (node ​​evaluation stopped by some upstream nodes)