How To Fix NRSCNV126 - Simulation not possible; see log for details

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 126

• Message text: Simulation not possible; see log for details

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 NRSCNV126 - Simulation not possible; see log for details ?

  The SAP error message NRSCNV126, which states "Simulation not possible; see log for details," typically occurs during the simulation of a process in SAP, such as a financial transaction or a data conversion process. This error indicates that the system encountered an issue that prevents it from completing the simulation successfully.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or missing data in the records being processed.
  Configuration Issues: Incorrect configuration settings in the relevant modules (e.g., Financial Accounting, Controlling) can lead to simulation failures.
  Authorization Problems: The user may not have the necessary authorizations to perform the simulation.
  System Errors: There could be underlying system errors or bugs that are causing the simulation to fail.
  Log File Issues: The log file may not be accessible or may contain errors that prevent the simulation from being processed.
  
  Solutions:
  
  
  Check the Log: The first step is to check the detailed log for more specific error messages. This log can provide insights into what went wrong during the simulation.
  
  You can usually find the log in the transaction where the error occurred or by using transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis).
  
  
  
  Data Validation: Ensure that all necessary data is complete and consistent. Check for missing or incorrect entries in the relevant tables.
  
  
  Configuration Review: Review the configuration settings related to the process you are trying to simulate. Ensure that all settings are correct and aligned with your business processes.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to perform the simulation. You may need to consult with your SAP security team to ensure proper access rights.
  
  
  System Check: If the issue persists, check for any known bugs or issues in the SAP system. You may need to apply patches or updates if there are known issues related to the error.
  
  
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP Notes often contain solutions or workarounds for known issues.
  
  
  Contact SAP Support: If you are unable to resolve the issue with the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help in troubleshooting, such as SE80 (Object Navigator), SE37 (Function Module), and SE11 (Data Dictionary).
  Documentation: Review SAP documentation related to the specific module or process you are working with to understand the expected behavior and requirements for simulations.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the NRSCNV126 error and implement a solution to resolve it.