SAP Message USC602 - Document is of the wrong type, and will be ignored

Diagnosis The InfoObject &v1& is assigned to the contact template as anattachment. This InfoObject is of a technical type that is notpermitted here. System Response Processing is continued without this document / folder. Procedure Check the definition of the contact template. Only document groups orfolders may be assigned. In turn, document groups and folders may onlycontain other folders or logical documents (LOIOs).