Take a look at this position.
lichess.org/analysis/4k3/8/6p1/5p1p/5P2/6P1/6KP/8_w_-_-_0_1?color=white
With 'multiple lines' set to one, this will give an evaluation of 0.0 incorrectly with depth 57. this appears to be because the cloud store has the wrong value. the position is actually winning for white.
lichess.org/analysis/4k3/8/6p1/5p1p/5P2/6P1/6KP/8_w_-_-_0_1?color=white
With 'multiple lines' set to one, this will give an evaluation of 0.0 incorrectly with depth 57. this appears to be because the cloud store has the wrong value. the position is actually winning for white.