Illegal offset type in Drupal\Core\Entity\EntityStorageBase->load() (

Problem/Motivation

Illegal offset type in Drupal\Core\Entity\EntityStorageBase->load()

The style value storing as empty as below
#layoutSettings: array:6 [▼
"label" => ""
"layout_data_theme" => "default"
"layout_data_color" => "#000000"
"layout_data_bleed" => "b-false"
"layout_builder_styles_style" => array:1 [▼
0 => ""
]
"context_mapping" => []
]

Steps to reproduce

Add some style to the layout section and save.
https://www.drupal.org/files/issues/2024-07-16/Screenshot%202024-07-16%2... →

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes