https://userapps.support.sap.com/sap/support/knowledge/en/2574045
2574045 - Empty Values in BW extraction with 0CRM_SRV_REQ_INCI_H | SAP Knowledge Base Article
During the extraction of Datasource 0CRM_SRV_REQ_INCI_H, the following fields are empty: due_date, req_end_date, escalate_1_ts, escalate_2_ts, work_duration,...