In this post, you’ll learn more about the MariaDB Error 1138 ER_INVALID_USE_OF_NULL with the details of the error message and why you receive this error
Maria DB Error Description
MariaDB Error 1138 – ER_INVALID_USE_OF_NULL with the sqlState 22004
Error Description for the MariaDB Error ER_INVALID_USE_OF_NULL
Invalid use of NULL value