Model-Based Definition > Geometric Dimensioning and Tolerancing Advisor > Advisor Message Help > DRF Messages > DRF Specification Is Incomplete
DRF Specification Is Incomplete
This message is shown if the Datum Feature Material Boundary Modifier (ASME) or Material Condition Modifier (ISO) has not been specified for any referenced datum features of size.
To correct this problem:
1. Right-click on the DRF in the Feature Tree and select Edit...from the context menu.
2. Specify the material condition modifier for each referenced datum feature of size.
3. Click the Accept button in the Edit DRF window.