How To Fix AC511 - The positive/negative sign could not be determined automatically

SAP Error Message - Details

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 511

• Message text: The positive/negative sign could not be determined automatically

What causes this issue?

You defined 'management of values' in the depreciation area. However,
the system cannot determine clearly, using the area environment,
whether the value should be positive or negative.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You can make exact specifications manually by selecting the
depreciation area.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AC511 - The positive/negative sign could not be determined automatically ?

  The SAP error message AC511, which states "The positive/negative sign could not be determined automatically," typically occurs in the context of asset accounting when the system is unable to determine whether a transaction should be treated as a debit or a credit. This can happen during various processes, such as asset acquisition, transfer, or retirement.
  Causes:
  
  Missing Configuration: The configuration for the asset class may not be set up correctly, leading to ambiguity in determining the sign.
  Incorrect Master Data: The asset master data may have incorrect or incomplete information, such as missing account assignments or incorrect asset class settings.
  Transaction Type Issues: The transaction type used may not be properly defined or may not have the necessary settings to determine the sign.
  Posting Rules: The posting rules for the relevant asset transactions may not be correctly defined in the system.
  Customizations: Any custom developments or modifications in the asset accounting module may interfere with the standard processing logic.
  
  Solutions:
  
  Check Asset Class Configuration: Review the configuration settings for the asset class in transaction code OAOA. Ensure that the settings for the positive and negative postings are correctly defined.
  Review Asset Master Data: Use transaction code AS03 to display the asset master data and check for any missing or incorrect information. Pay special attention to the account assignments and asset class.
  Verify Transaction Type Settings: Check the transaction type settings in transaction code OAOA or OABT to ensure that they are correctly defined and linked to the appropriate accounts.
  Examine Posting Rules: Review the posting rules for the relevant transactions in the configuration settings to ensure they are set up correctly.
  Consult Documentation: If there are custom developments, consult the documentation or the developer to understand how they might be affecting the standard behavior.
  Test with Different Scenarios: If possible, try to replicate the issue with different asset transactions to see if the problem persists across all scenarios or is isolated to specific cases.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), AS03 (Display Asset), and OAOA (Asset Class).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration settings.
  User Manuals: Refer to SAP user manuals or help documentation for asset accounting to understand the expected behavior and configuration requirements.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant specializing in asset accounting for further assistance.