Symptom
When post or simulate with app "Post Outgoing Payments" or running Post Closing step in "Edit Actual Costing Run", error KI100 happens:
"The CO account assignment object belongs to company code XXXX, not YYYY"
Environment
SAP S/4HANA Cloud Public Edition
Cause
Configuration may have been configured in SSCUI / Configuration Activity - Manage Default Account Assignment(Activity ID: 102639).
For example, a Cost Center (belongs to company code XXXX) may have been assigned to the cost element (belong to company code YYYY).
Resolution
Configure account assignment that belong to the same company code as the Cost Element in SSCUI / Configuration Activity 102639 - Manage Default Account Assignment.
Keywords
KI100, KI 100, 102639, CO account assignment, company code, OKB9, CKMLCP , KBA , CO-OM-2CL , Overhead Cost Controlling (Public Cloud) , Problem
SAP Knowledge Base Article - Public