M8781 - Internal error (key & not in Table T169A)

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 781

• Message text: Internal error (key & not in Table T169A)

How to fix this error?

INCLUDE NA_SYSADMIN1

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8781 - Internal error (key & not in Table T169A) ?

  The SAP error message M8781, which states "Internal error (key & not in Table T169A)," typically indicates that there is an issue with the configuration or data related to the material management module, specifically concerning the table T169A. This table is used for storing information about material types and their associated settings.
  Cause:
  
  Missing Entries: The key mentioned in the error message is not found in the T169A table. This could be due to missing configuration entries for a specific material type or a related setting.
  Data Inconsistency: There may be inconsistencies in the data that lead to the system not being able to find the required key.
  Custom Development: If there are custom developments or enhancements in the system, they might be causing the error by referencing keys that do not exist in the standard tables.
  Transport Issues: If recent transports were made, they might not have included necessary changes to the T169A table.
  
  Solution:
  
  Check Table T169A: Use transaction SE11 or SE16 to check the contents of table T169A. Look for the key mentioned in the error message and verify if it exists.
  Add Missing Entries: If the key is missing, you may need to add the necessary entries to the T169A table. This typically requires configuration in the material management module.
  Review Configuration: Go through the configuration settings related to material types and ensure that all necessary settings are correctly defined.
  Check for Custom Code: If there are custom programs or enhancements, review them to ensure they are not causing the issue. You may need to debug the code to identify the root cause.
  Transport Review: If the issue arose after a transport, review the transport logs to ensure that all necessary objects were included and correctly transported.
  Consult Documentation: Refer to SAP documentation or notes related to the error message for any specific guidance or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for M8781 in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SPRO (Customizing) to navigate through the configuration and data.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the M8781 error in your SAP system.