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

Tekla Structural Designer - Not version-specific Validation-Model-General Invalid Natural Frequency Effective Width validation error
Environment
Not environment-specific

Question

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

 

 

Image
InvalidNaturalFrequencyEffectiveWidth.png

Answer

This validation error will appear alongside an "Invalid effective width" error.

The resolution for both is the same so please refer to the article I have a Validation > Model > General > “Invalid effective width” error. Why do I get this and how do I resolve it?
 

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