Symptom
You are trying to change Cost Component Structure (SSCUI 102427) by removing assignment of Cost Element. You will get error:
"Cost component structure Y1 is active. Deletion not allowed".
Environment
SAP S/4HANA Cloud Public Edition
Cause
After Go Live, it's not possible to change existing assignment for Cost Component Structure.
Resolution
If there is Cost Element assigned to your Cost Component Structure but is not expected, you need to lock posting for that Cost Element.
You can create new Cost Element and add it to Cost Component Assignment and save.
Keywords
102427, OKTZ, change cost component structure, deletion, assignment, cost element, group, update cost component structure, delete cost component. , KBA , CO-PC-ML-2CL , Material Subledger (Public Cloud) , Problem