Could not retrieve the symbol's IJDSymbolDefinition interface (Structural Detailing)
Meaning: Failed to retrieve the symbol's IJDSymbolDefinition interface in order to have the definition of the symbol, therefore the geometry utility could not properly finish the service requested.
Recovery: Verify that the symbol and its inputs are set up properly. Verify all inputs are good and are not on the To Do List. Make any necessary corrections. If problem still exists, report steps taken to your support group.