The beam height cannot be more than 3.5 times the beam width.
The Complete Message:
The beam height cannot be more than 3.5 times the beam width. (TBDY 2018 7.4.1.1)
TBDY 2018 7.4.1.1 ( b) the beam height will not be more than 3.5 times the beam web width . You are warned because this condition is not met.
Solution
Edit the width / height ratio of the beam with the name and floor given the condition.
Select the beam, beams
Enter the properties.
In the general settings tab, change the beam width and / or height and click the OK button.