ME21N Incoterms tab missing in purchase order header S4HANA

Hello SAP Experts,

The Incoterms tab is missing in the purchase order header after upgrading with S4HANA release.

Please follow the steps below in order to re-generate this issue:

• First, execute T-code ME21N
• Then expand header section 
• And you will notice that Incoterms tab will be missing.

Please help me to resolve this issue.