How To Fix WB2B311 - Field '&1' cannot be copied because it is not ready for input

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 311

• Message text: Field '&1' cannot be copied because it is not ready for input

What causes this issue?

You cannot change the field &V1& because of the current document status
or because of the follow-on document that was generated.
Additional information:
Document number: &V2&
Item number: &V3&
Schedule line number: &V4&

System Response

You cannot change the field &V1&.

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