The supplied value may be too long or contains invalid data

Hi I am getting this error when using the plugin- Processing the value for the following field failed: post_content. The supplied value may be too long or contains invalid data. [18-Mar-2025 14:04:29 UTC] Trying publishing again [18-Mar-2025 14:04:29 UTC] Failed to insert post into wp database(1)! Title:גלקטוזמיה! Error: לא ניתן להוסיף את הפוסט למסד הנתונים.Error code: db_insert_errorError data: WordPress database error: Processing the value for the following field failed: post_content. The supplied value may be too long or contains invalid data. something is stopping the plugin from making the posts, any idea? Thanks!