How To Fix AM146 - Enter a valid prefix

SAP Error Message - Details

• Message type: E = Error

• Message class: AM - Business Address Services

• Message number: 146

• Message text: Enter a valid prefix

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 AM146 - Enter a valid prefix ?

  The SAP error message AM146 "Enter a valid prefix" typically occurs in the context of Asset Accounting (FI-AA) when you are trying to create or modify an asset master record. This error indicates that the prefix you have entered for the asset number is not valid or does not exist in the system.
  Cause:
  
  Invalid Prefix: The prefix you are trying to use for the asset number does not match any of the predefined prefixes in the system.
  Configuration Issues: The asset number range or prefix may not be properly configured in the system.
  Missing Authorization: The user may not have the necessary authorizations to create or modify assets with the specified prefix.
  
  Solution:
  
  
  Check Prefix Configuration:
  
  Go to the configuration settings for Asset Accounting (Transaction code: OAOA).
  Verify that the prefix you are trying to use is defined in the system.
  Ensure that the prefix is assigned to the correct company code and asset class.
  
  
  
  Use a Valid Prefix:
  
  If you are unsure about the valid prefixes, consult with your SAP administrator or refer to the documentation to find the correct prefix for the asset class you are working with.
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to create or modify assets. If not, contact your SAP security team to get the required permissions.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to Asset Accounting for more information on valid prefixes and asset number ranges.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OAOA: Define Number Ranges for Assets
  AS01: Create Asset
  AS02: Change Asset
  AS03: Display Asset
  
  
  
  Asset Classes: Different asset classes may have different prefixes, so ensure you are using the correct one for the asset you are trying to create or modify.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  By following these steps, you should be able to resolve the AM146 error and successfully enter a valid prefix for your asset.