** WARNING 98730 ** The diameter of element element number is outside the expected range. Please use Modeling -> Query Entities to locate the element, check the element properties and, if necessary, rerun the analysis.
This message indicates that there is a problem with the diameter of the element, meaning that it is either too small or too large.
Check the model geometry and check the mesh by running the Mesh Statistics command from the Mesh menu. Find the problem element and fix the diameter value.