How To Fix EI757 - Maintain either & (export) or & (import) or both!

EI757 - Overview

• Message type: E = Error

• Message class: EI - Foreign Trade: Gen. Output

• Message number: 757

• Message text: Maintain either & (export) or & (import) or both!

What causes this issue?

You have not entered a value for &V1& (export) or &V2& (import).
You must maintain at least one of these two fields so that the
conversion can take place correctly.

System Response

The system does not allow this entry.

How to fix this error?

Maintain a value either for &V1& (export) or for &V2& (import) or for
both.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EI757 - Maintain either & (export) or & (import) or both! ?

  The SAP error message EI757, which states "Maintain either & (export) or & (import) or both!," typically occurs in the context of data transfer or interface configuration, particularly when dealing with the Electronic Data Interchange (EDI) or similar data exchange processes. This error indicates that the system expects either an export or import configuration to be defined, but neither or only one of them is set up.
  
  Cause:
  
  Missing Configuration: The error usually arises when the necessary configuration for either the export or import parameters is not maintained in the system.
  Incomplete Data: If the data transfer settings are incomplete or incorrectly defined, the system cannot proceed with the operation.
  Incorrect Mapping: If the mapping between the source and target systems is not correctly defined, it may lead to this error.
  
  
  Solution:
  
  
  Check Configuration:
  
  Navigate to the relevant configuration settings in SAP (e.g., transaction codes like WE20 for partner profiles, WE21 for port definitions, etc.).
  Ensure that either