Solution : https://service.sap.com/sap/support/notes/1364860 (SAP Service marketplace login required)
Key words :
system issues error message cm_sub_data 018, terms ehs2005sp16psehs62sp06psehs63sp05psehs64sp04pscm_sub_data 018cm_sub_mli 055 reason, assignment type &1 permits, locking process fails, deletion processes synchronously, expert terminates processing, environment parameter expert_int_lock_specs_inh_rel, attached correction instructions, delete inheritance relationships, program error
Related Notes :
| 1434736 | EH&S, EXP and OCC: Important notes |
| 1308203 | |
| 1247216 | Specification BAPI/API and inheritance: Important notes |
| 941464 | Additional information about inheritance |
| 902011 | Error when inheriting specification data |