Cannot update <field name>; field not updatable. (Error 3113)

Possible causes:

• The specified field is part of a TableDef or dynaset-type Recordset object that cannot be updated. For example, this error occurs if you try to update an AutoNumber field.
• You executed a query that combines updatable and nonupdatable TableDef objects, and you tried to update one of the fields in the query's results (the resulting dynaset-type Recordset).