The Specified GCS Is Not Allowed
The specified geometric characteristic symbol is not allowed by the selected tolerancing standard (i.e., tolerancing standard for the part has been changed) or it has been specified as restricted by the application administrator.
To view a list of restricted geometric characteristic symbols:
1. Right-click in the Feature Tree and select Application Options... from the context menu.
2. In the Application Options window, select the System Options tab.
3. On the System Options tab, look at the content of the Restricted GCSs tab.
You can fix this problem through the following procedure:
1. Right-click on the feature in the Feature Tree and select Edit... from the context menu.
2. Select an appropriate geometric control symbol from the menu.
3. Select a compatible DRF.
4. Click the Accept button in the dashboard.