How To Fix WA156 - Linkage for LIS exception & could not be entered

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 156

• Message text: Linkage for LIS exception & could not be entered

Self-Explanatory Message

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• What is the cause and solution for SAP error message WA156 - Linkage for LIS exception & could not be entered ?

  Certainly! Here's a detailed explanation regarding the SAP error message WA156: Linkage for LIS exception & could not be entered:
  
  Error Message:
  WA156 - Linkage for LIS exception & could not be entered
  
  Cause:
  This error typically occurs in the context of Logistics Information System (LIS) when the system tries to create or update an exception record but fails because the linkage between the exception and the relevant LIS object (such as a characteristic, key figure, or exception record) is missing or incorrect.
  More specifically:
  
  The system attempts to enter an exception record for LIS, but the required linkage (mapping) between the exception and the LIS object is not maintained.
  This can happen if the LIS exception is not properly configured or if the master data for LIS exceptions is incomplete.
  It may also occur if the exception record is being created for a characteristic or key figure that does not have the necessary linkage defined in the LIS customizing.
  
  
  When does it occur?
  
  During data collection or update in LIS.
  When exceptions are triggered in LIS reports or during data load.
  When the system tries to write exception data but cannot find the linkage.
  
  
  Solution:
  
  
  Check LIS Exception Configuration:
  
  Go to LIS customizing (transaction code: SPRO ? Logistics Information System ? Exceptions).
  Verify that the exception in question is properly defined.
  Ensure that the linkage between the exception and the relevant LIS characteristic or key figure is maintained.
  
  
  
  Maintain Linkage:
  
  Use transaction MC22 or relevant LIS customizing transactions to maintain the linkage between exceptions and LIS objects.
  Make sure that the exception is assigned to the correct InfoSet, characteristic, or key figure.
  
  
  
  Check Master Data:
  
  Verify that the master data for the LIS exception exists and is consistent.
  If necessary, recreate or correct the exception master data.
  
  
  
  Review Data Load or Update Process:
  
  If the error occurs during data load (e.g., via batch input or data transfer), check the data for correctness.
  Ensure that the data being loaded references valid LIS exceptions and characteristics.
  
  
  
  SAP Notes and Support:
  
  Check for any SAP Notes related to WA156 for your SAP version.
  Sometimes, patches or corrections are available if this is a known issue.
  
  
  
  
  Related Information:
  
  LIS (Logistics Information System): A tool used for reporting and analysis in logistics modules like MM, SD, PP, etc.
  Exceptions in LIS: Used to highlight data that deviates from expected values or thresholds.
  Linkage: The connection between exceptions and LIS objects (characteristics/key figures) is crucial for proper exception handling.
  Transaction Codes:
  
  SPRO - Customizing
  MC22 - Maintain LIS exceptions
  MC21 - Create LIS exception
  MC23 - Display LIS exception
  
  
  
  
  Summary:
  The error WA156 indicates that the system cannot enter an LIS exception because the necessary linkage between the exception and the LIS object is missing or incorrect. To resolve it, verify and maintain the linkage in LIS customizing, ensure master data consistency, and check the data load or update process.
  
  If you provide more context (e.g., module, transaction, or process where the error occurs), I can give more specific guidance.