https://userapps.support.sap.com/sap/support/knowledge/en/2587676
2587676 - Vendor data not filled in datasource (field LIFNR) | SAP Knowledge Base Article
Vendor data (field name LIFNR) is not filled in extractor. Following extractors are affected: 0CO_OM_WBS_6 0CO_OM_CCA_9 0CO_OM_NWA_2 0CO_OM_OPA_6