https://userapps.support.sap.com/sap/support/knowledge/en/2416458
2416458 - KKBC_HOE: Dump "RAISE_EXCEPTION" "WRONG_HIERARCHY_STRUCTURE" | SAP Knowledge Base Article
When executing KKBC_HOE a dump occurs: "RAISE_EXCEPTION" " " "CL_SUMMARIZATION_TREE=========CP" "CREATE_HIERARCHY" Exception condition...