Error 1111 when generating ISOs

I am making ISOs from C2 using the existing style but it gives me an #1111 error. Anybody knows what could possible cause this?

ERROR DETECTED IN PIPE /TEST
********************************************************************************
WARNING:
Message Identifier: ISOGEN:1111
Message Text: COMPONENT(S) WITH NO WEIGHT FOUND
********************************************************************************

possibly*

Please open a Support Request on Smart Support and send in the model file.

maggiepan90,

Try generating the isometric after deleting any equipment/trunion if u have modelled in caesar. Elements without weight usually create error in Caesar. You can maintain the model using the coordinate if some elements diconnects