After many tests, I found that with the same model, the same settings and scene lighting tests, UE 5.3.2 can bake lighting normally, but in UE5.5.1 version, it will cause the model to turn black.
After many tests, I found that with the same model, the same settings and scene lighting tests, UE 5.3.2 can bake lighting normally, but in UE5.5.1 version, it will cause the model to turn black.Please fix this serious problem quickly.