After leaving a Realm, waiting a bit (~5 minutes) and going to the home screen, i got this content log error:

[Molang][error]-minecraft:player.0.persona-caeafec538dfdc3-4 | entity/player.entity.json | variable.helmet_layer_visible = 1.0;variable.leg_layer_visible = 1.0;variable.boot_layer_visible = 1.0;variable.chest_layer_visible = 1.0;variable.attack_body_rot_y = math.sin(360*math.sqrt(variable.attack_time)) * 5.0;variable.tcos0 = (math.cos(query.modified_distance_moved * 38.17) * query.modified_move_speed / variable.gliding_speed_value) * 57.3;variable.first_person_rotation_factor = math.sin((1 - variable.attack_time) * 180.0);variable.hand_bob = query.life_time < 0.01 ? 0.0 : variable.hand_bob + ((query.is_on_ground && query.is_alive ? math.clamp(math.sqrt(math.pow(query.position_delta(0), 2.0) + math.pow(query.position_delta(2), 2.0)), 0.0, 0.1) : 0.0) - variable.hand_bob) * 0.02;variable.map_angle = math.clamp(1 - variable.player_x_rotation / 45.1, 0.0, 1.0);variable.item_use_normalized = query.main_hand_item_use_duration / query.main_hand_item_max_duration; | Error: unhandled request for unknown variable ''

[Molang][error]-minecraft:player.0.persona-caeafec538dfdc3-4 | entity/player.entity.json | variable.is_first_person && query.is_spectator | Error: unhandled request for unknown variable ''

[Molang][error]-minecraft:player.0.persona-caeafec538dfdc3-4 | entity/player.entity.json | !variable.is_first_person && !variable.map_face_icon && query.is_spectator | Error: unhandled request for unknown variable ''

[Molang][error]-minecraft:player.0.persona-caeafec538dfdc3-4 | entity/player.entity.json | variable.is_first_person && !query.is_spectator | Error: unhandled request for unknown variable ''

[Molang][error]-minecraft:player.0.persona-caeafec538dfdc3-4 | entity/player.entity.json | !variable.is_first_person && !variable.map_face_icon && !query.is_spectator | Error: unhandled request for unknown variable ''

[Molang][error]-minecraft:player.0.persona-caeafec538dfdc3-4 | render_controllers/cape.render_controllers.json | controller.render.player.cape | partVisibility | query.armor_texture_slot(1) != 5 && (!variable.is_first_person || variable.is_paperdoll) && !variable.map_face_icon && !query.is_spectator | Error: unhandled request for unknown variable ''

The Realm had no packs enabled, and neither did I. As it is a lot of player errors, this may be the cause of bugs like MCPE-185986