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

VLA090 - Overview

• 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.

VLA090 - Details

• 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