Solution : https://service.sap.com/sap/support/notes/1016211 (SAP Service marketplace login required)
Key words : 
comm_catfrgr            comm_pr_frg_rel            comc_settype            comc_settype_t            comm_prod_frg            comm_prcatfrgr, hierarchy id r3prodstyp, category id mat_, report com_analyze_settype_attribute resp, com_settype_attribute_40 raise errors, missing set type, bbpm_pr_general            fragment_type guid, delete settype comm_pr_mat, table comc_settype, comm_pr_mat reason
Related Notes : 
       
| 1049693 | Data cannot be maintained for set type COMM_PR_PUR_1 | 
| 1038946 | Replication of product categories fails | 
| 872533 | FAQ: Middleware |