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

M8781 - Overview

• 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.

M8781 - Details

• 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