Symptom
In app Display Change Documents, there are entries about credit limit changes by user SAP_SYSTEM.
Relevant tables could be UKMBP_CMS_SGM or UKMBP_VECTOR_IT.
Environment
SAP S/4HANA Cloud Public Edition
Cause
The change was generated by technical job of delta processing.
Please check the documentation:
Send Delta of Payment Behavior Summary | SAP Help Portal
You have define the rules for the business partners. The daily scheduled job will trigger the credit limit recalculation.
Refer to below links:
Define Events and Follow-On Processes | SAP Help Portal
Formulas for Scoring and for Credit Limit Calculation | SAP Help Portal
Resolution
It's standard system behavior.
Keywords
SAP_SYSTEM, UKMBP_CMS_SGM, UKMBP_VECTOR_IT, BUPA_UKM, Credit Limit , KBA , FIN-FSCM-CR-2CL , Credit Management (Public Cloud) , Problem
SAP Knowledge Base Article - Public