How To Fix VLA090 - The BAdI 'LE_SHP_MODIFY_HEAD' has been implemented incorrectly

SAP Error Message - Details

• Message type: E = Error

• Message class: VLA - General Output Class for Delivery

• Message number: 090

• Message text: The BAdI 'LE_SHP_MODIFY_HEAD' has been implemented incorrectly

What causes this issue?

You have incorrectly activated an implementation for BAdI
'LE_SHP_MODIFY_HEAD' in the <ZK>Custom Fields and Logic</> app.
Important data in outbound parameter DELIVERY_DOCUMENT_OUT are missing.

System Response

The process has been cancelled due to missing data.

How to fix this error?

Please make sure that you copy the DELIVERY_DOCUMENT_IN inbound
parameter to DELIVERY_DOCUMENT_OUT outbound parameter in the first
coding step.

Procedure for System Administrators

You must include the statement
'move-corresponding DELIVERY_DOCUMENT_IN to DELIVERY_DOCUMENT_OUT.'
in the corresponding BAdI implementation. You can do this in the
<ZK>Custom Fields and Logic</> app with the user role ADMINISTRATOR.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VLA090 - The BAdI 'LE_SHP_MODIFY_HEAD' has been implemented incorrectly ?

  The SAP error message VLA090 indicates that there is an issue with the implementation of the Business Add-In (BAdI) LE_SHP_MODIFY_HEAD. This BAdI is typically used in the context of logistics and shipping processes, particularly for modifying shipment header data.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Incorrect Implementation: The BAdI implementation may not adhere to the expected interface or method signatures. This can happen if the developer has not correctly implemented the required methods or has made changes that are not compatible with the standard SAP behavior.
  
  
  Missing or Incorrect Logic: The logic within the BAdI implementation may be incomplete or incorrect, leading to unexpected behavior when the BAdI is called.
  
  
  Activation Issues: The BAdI implementation may not be activated properly in the system, or there may be multiple implementations that conflict with each other.
  
  
  Data Issues: The data being processed when the BAdI is called may not meet the expected criteria, leading to errors in the implementation.
  
  
  Solution:
  To resolve the VLA090 error, you can follow these steps:
  
  
  Check Implementation:
  
  Go to transaction SE19 (BAdI Implementation) and check the implementation of LE_SHP_MODIFY_HEAD.
  Ensure that all required methods are implemented correctly and that they match the expected signatures.
  
  
  
  Review Logic:
  
  Review the logic within the implemented methods to ensure that they are functioning as intended. Look for any syntax errors or logical flaws.
  
  
  
  Activate Implementation:
  
  Ensure that the BAdI implementation is activated. You can do this in transaction SE19 by checking the status of the implementation.
  
  
  
  Check for Conflicts:
  
  If there are multiple implementations of the same BAdI, check for conflicts. You may need to deactivate or adjust other implementations to resolve the issue.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the BAdI implementation to identify the exact point of failure. Use transaction SE80 or SE37 to set breakpoints and analyze the flow.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the BAdI to ensure that you are following the recommended practices and guidelines.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address known issues with the BAdI or provide additional guidance.
  
  
  
  Related Information:
  
  BAdI Definition: BAdIs are enhancement points in SAP applications that allow developers to add custom logic without modifying the original code.
  Transaction Codes: 
  
  SE19: For managing BAdI implementations.
  SE80: For object-oriented programming and debugging.
  SE37: For function module management, which can be useful if the BAdI calls function modules.
  
  
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have faced similar issues.
  
  By following these steps, you should be able to identify and resolve the issue causing the VLA090 error in your SAP system.