Model-Based Definition > Geometric Dimensioning and Tolerancing Advisor > Advisor Message Help > Datum Messages > Datum Feature Label Has Syntax Errors
  
Datum Feature Label Has Syntax Errors
The datum feature label has syntax errors and cannot be processed. The value of a datum feature label must meet the following criteria:
May contain only capital letters (no numbers or special characters)
May contain only 1 or 2 characters
May not include I, O, or Q
You can fix this problem in one of the following ways:
Using GD&T Advisor functionality…
1. Right-click on the feature icon in the Feature Tree that the datum is associated with and select Edit from the context menu
2. On the Edit Feature dashboard, specify a valid datum feature label
3. Select in the dashboard to accept the changes
Using Creo Parametric functionality…
1. Click on the datum feature symbol in the Creo graphics area
2. On the Datum Feature dashboard, specify a valid datum feature label
3. On the GD&T Advisor dashboard, click on Update to update the GD&T Advisor model