Solution : https://service.sap.com/sap/support/notes/86412 (SAP Service marketplace login required)
Key words :
additional key words cl02, approriate cross-reference, message class cl, hot package sapkh31h36, hot package sapkh31h37, sales orders, system deleted, enhancement / change, caution deleting, usages exist
Related Notes :
166530 | @3Z@ Config. objects delete classification data |
151190 | SAP enhancement deletes classification data LO-VC |
136106 | Delete characteristic/class w. valuation - timeout |
129565 | |
82143 | CL02 - Char.deletable despite usage in constraint |