When using CST 2021 integral equation solver i get this error: 

Platform1: Edge with ID 25997 has wrong number of connected triangles. 
Node 1: (-126.989694, 32.053747, 29.968685)
Node 2: (-127.811357, 32.052579, 29.935257)

How can i solve this? 

CST Studio Suite ​​​​​​​