How To Fix AAPO001 - Error in internal table. Document header has no line items.

AAPO001 - Overview

• Message type: E = Error

• Message class: AAPO - Asset Accounting - Posting

• Message number: 001

• Message text: Error in internal table. Document header has no line items.

What causes this issue?

An error was found during the check of an asset document stored in an
internal table (ANEK without ANEP).

How to fix this error?

Probably there is a program error. Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

AAPO001 - Details

• The SAP error message AAPO001, which states "Error in internal table. Document header has no line items," typically occurs in the context of asset accounting when there is an issue with the data being processed for asset transactions. This error indicates that the system is expecting line items (details of the transaction) associated with a document header, but none are found.
  Causes:
  
  Missing Line Items: The most common cause is that the document header was created without any associated line items. This can happen if the transaction was not completed properly or if there was an error during data entry.
  Data Corruption: There may be corruption in the internal tables that hold the transaction data, leading to inconsistencies.
  
  Configuration Issues: Incorrect configuration in the asset accounting settings may lead to this error.
  User Authorization: Sometimes, insufficient user permissions can prevent the proper creation of line items.
  
  Solutions:
  
  Check Document Creation: Verify that the document was created correctly