Avoid symbol inconsistencies

Some attributes are fixed attributes of certain symbols. If you specify such an attribute, all occurrences of the same object definition must have the same symbol. The default symbol for this object definition is changed to this symbol.

The modeler cannot change the following attributes directly. Instead, they are specified automatically. Such attributes are displayed as read-only attributes:

After you have created a new object definition, you can only change the attribute if there is only one occurrence of this definition. If there are several object occurrences, the system automatically tries to change all occurrence copies.

The following rules apply for changing symbols on occurrence copies: