Standard CHS section available in European section database and other user defined Pipe sections not detected in STAAD Offshore.

Dear friends

                       we assigned few members in our model STANDARD Circular hollow sections (CHS) european Its shows section Invalid. for ex.   we assigned 406.4x10 CHS we got warning when opening the model. please find attached the snap. we assigned first few user defined section developed throug DB manager it shows this warning then we assigned the standard sections available in European section CHS. we got the same warning. It reads all Open sections (I-section both standard and user defined but not the circular or Pipe sections. It reads Tube sections without any issue. we are looking for your reply. thanks advance .

System configuration FYI

we are using STAAD ProV8i Seclect series 4 and Staad OffshoreV8i_ 3.0.1.2. OS windows 7 Enterprise Service pack 1 , 64bit , 8GB Ram.

Regards

Bagmass