How To Fix UAMO120 - First generate a costing log

SAP Error Message - Details

• Message type: E = Error

• Message class: UAMO - UA Modeler

• Message number: 120

• Message text: First generate a costing log

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UAMO120 - First generate a costing log ?

  The SAP error message UAMO120, which states "First generate a costing log," typically occurs in the context of product costing or when trying to perform a cost estimate in SAP. This error indicates that the system requires a costing log to be generated before proceeding with the operation you are attempting.
  Cause:
  
  Missing Costing Log: The primary cause of this error is that a costing log has not been generated for the material or product you are trying to cost. The costing log contains essential information about the cost estimate process, including the details of the cost components and calculations.
  Incorrect Sequence of Operations: The error may also arise if the sequence of operations in the costing process is not followed correctly. For example, if you attempt to display or analyze cost estimates without first generating the necessary logs.
  
  Solution:
  To resolve the UAMO120 error, follow these steps:
  
  
  Generate the Costing Log:
  
  Navigate to the appropriate transaction for cost estimation (e.g., CK11N for creating a cost estimate).
  Ensure that you have selected the correct material and version for which you want to generate the costing log.
  Execute the cost estimate process, which should automatically generate the costing log.
  
  
  
  Check for Errors:
  
  After generating the costing log, check for any errors or warnings that may have occurred during the costing process. Address any issues that are reported.
  
  
  
  Re-attempt the Operation:
  
  Once the costing log has been successfully generated, you can re-attempt the operation that triggered the UAMO120 error.
  
  
  
  Review Configuration:
  
  If the issue persists, review the configuration settings related to costing in your SAP system. Ensure that all necessary parameters and settings are correctly defined.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CK11N (Create Cost Estimate), CK40N (Change Cost Estimate), and CK24 (Display Cost Estimate).
  Costing Variants: Understand the costing variants and their settings, as they play a crucial role in how cost estimates are generated.
  Documentation: Refer to SAP documentation or help files for detailed guidance on cost estimation processes and troubleshooting common errors.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any specific patches or updates related to this error message.