https://userapps.support.sap.com/sap/support/knowledge/en/2664684
2664684 - KBA: Commodity code not transferred from GTS to ECC or S/4HANA | SAP Knowledge Base...
Commodity codes are not transferred from GTS system to ECC or S/4HANA. Message no BL001 is raised when transferring commodity codes. Internal Error - Data is...