communities.bentley.com/.../LOBP_5F00_SH_2D00_04a_5F00_2016Sept28_5F00_Case3_5F00_wTB.std

Please help me resolve the error message I encounter.

Supports are ok and there are no group definition in between the load cases and so I am wondering why this error is encountered.

Please advise my necessary action. Thanks!