How To Fix NAA520 - Entry &1 in table &2 does not exist (internal error)

NAA520 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 520

• Message text: Entry &1 in table &2 does not exist (internal error)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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NAA520 - Details

• The SAP error message NAA520, which states "Entry &1 in table &2 does not exist (internal error)," typically indicates that the system is trying to access a record in a database table that does not exist or is not found. This can occur in various contexts, such as during data processing, reporting, or when executing specific transactions.
  Causes:
  
  Missing Data: The entry that the system is trying to access has been deleted or was never created.
  Data Inconsistency: There may be inconsistencies in the database, possibly due to incomplete data migration or updates.
  
  Configuration Issues: Incorrect configuration settings in the system may lead to the system looking for entries that are not valid.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view certain entries, leading to this error.
  Program Errors: Bugs or errors in custom programs or enhancements can lead to attempts to access non-existent entries.
  
  Solutions:
  
  Check Data Existence: Verify if the entry