https://userapps.support.sap.com/sap/support/knowledge/en/3746053
3746053 - Modified Incoterms location 1 (VBRK-INCO2_L) not saved after user exit changes. | SAP...
Incoterms location 1 (VBRK-INCO2_L) can be modified by custom coding in USEREXIT_FILL_VBRK_VBRP (RV60AFZC). When displaying documents via VF03 or canceling...