OCC Specification composition upload error

Hallo all,

I was trying to upload the specification composition via OCC in OCC upload format. I was uploaded REAL_SUB and LIST_SUB via OCC, i just want to create composition SAP_EHS_1012_003 . But i'm getting following errors sm37.

Please help me on this.

When i was trying to create composition its working fine, OCC upload its giving above error.LIST_SUB already available in the system

Help me Out.

Thanks

Satya