When migrating core server (V1) to a new server, an error occurred when updating an article containing 4B code (utf8mb4), such as emojis, and SQL is not available in phpMyAdmin

⌛Time it takes to read this article: 2 pointWhen updating an article containing 4B codes (utf8mb4) such as emojis after migrating to the new server on the core server (V1), the error "Update failed. Database post could not be updated." We will explain the solution.