How To Fix AA391 - Enter amount with + sign

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 391

• Message text: Enter amount with + sign

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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Smart SAP Assistant

• What is the cause and solution for SAP error message AA391 - Enter amount with + sign ?

  The SAP error message AA391 ("Enter amount with + sign") typically occurs in the Asset Accounting (FI-AA) module when you are trying to enter a value for an asset transaction, such as an acquisition or transfer, and the system expects a positive amount but you have entered a negative amount or omitted the sign.
  
  Cause:
  
  Incorrect Amount Entry: The user has entered a negative amount or has not included a "+" sign for a positive amount.
  Transaction Type: Certain transactions in Asset Accounting require amounts to be explicitly positive, especially when dealing with acquisitions or increases in asset values.
  Configuration Settings: The system may be configured to require specific formats for amount entries.
  
  
  Solution:
  
  Check Amount Entry: Ensure that you are entering the amount correctly. If the transaction requires a positive amount, make sure to enter it with a "+" sign (e.g., +1000).
  Review Transaction Type: Verify that the transaction type you are using is appropriate for