I have a Validation > Model > General > “Invalid natural frequency effective width” error. Why do I get this and how do I resolve it?

Last updated April 1, 2020 by Tekla Structural Designer Development Team tekla-product-development-tsd-team-ug@trimble.com

I have a Validation > Model > General > “Invalid natural frequency effective width” error. Why do I get this and how do I resolve it?

Question
I have a Validation > Model > General > “Invalid natural frequency effective width” error. Why do I get this and how do I resolve it?