When you encounter the runtime error 2448 in Microsoft Access, the message typically reads: “You can’t assign a value to this object.” This warning message occurs when trying to update a specific field in the database SUBFORM by running VBA (Visual Basic for Applications) code or query. It is quite frustrating to receive this error. Therefore, in this blog, I will explore the common causes of runtime error 2448 cannot assign value and most significantly how to fix it in no time.