How To Fix /SMB/CM_CONVERSION056 - Interface must contain one export parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CM_CONVERSION -

• Message number: 056

• Message text: Interface must contain one export parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CM_CONVERSION056 - Interface must contain one export parameter ?

  The SAP error message /SMB/CM_CONVERSION056 Interface must contain one export parameter typically occurs in the context of SAP Business One or when working with SAP's integration tools. This error indicates that a specific interface or function module is expected to have at least one export parameter defined, but it does not.
  Cause:
  
  Missing Export Parameter: The interface or function module you are trying to use does not have any export parameters defined. This is a requirement for the interface to function correctly.
  Incorrect Interface Definition: The interface may have been incorrectly defined or modified, leading to the absence of the necessary export parameter.
  Integration Issues: If you are working with an integration scenario, the interface might not be properly set up to handle the data being passed.
  
  Solution:
  
  
  Check Interface Definition:
  
  Go to the transaction code SE80 (Object Navigator) or SE37 (Function Module) in SAP.
  Locate the function module or interface that is causing the error.
  Verify that there is at least one export parameter defined. If not, you will need to add one.
  
  
  
  Modify the Interface:
  
  If you have the necessary authorizations, you can modify the interface to include an export parameter.
  Ensure that the export parameter is correctly defined with the appropriate data type and length.
  
  
  
  Consult Documentation:
  
  Review the documentation for the specific interface or function module to understand its requirements and expected parameters.
  
  
  
  Testing:
  
  After making changes, test the interface again to ensure that the error is resolved.
  
  
  
  Seek Help:
  
  If you are unsure about making changes, consult with your SAP Basis or ABAP team for assistance.
  You can also check SAP Community forums or SAP Notes for similar issues and solutions.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on the interface in question.
  SAP Community: Engage with the SAP Community for insights from other users who may have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for the specific module or integration tool you are using to ensure compliance with its requirements.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.