Solution : https://service.sap.com/sap/support/notes/1084416 (SAP Service marketplace login required)
Key words : 
http error, terms com_pcat_ims_pb_publish, product catalog, crm reason, program error, crm system, correction instructions, http publishing, publishing, authorized
Related Notes : 
       
| 902083 | Unicode Collection Note for CRM 4.0 | 
| 741193 |