How To Fix MMRP01446 - Internal error during generation of time series

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 446

• Message text: Internal error during generation of time series

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01446 - Internal error during generation of time series ?

  The SAP error message MMRP01446, which indicates "Internal error during generation of time series," typically occurs in the context of Material Requirements Planning (MRP) or when dealing with time series data in SAP. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the system is trying to process.
  Configuration Issues: Incorrect settings in the MRP configuration or time series settings can lead to this error.
  Database Issues: Corruption or issues within the database can also trigger internal errors.
  Program Errors: Bugs or issues in the SAP program code that handles time series generation.
  Missing Authorizations: Lack of necessary authorizations for the user executing the transaction.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Use transaction codes like MM02 to check the material master data for inconsistencies.
  Run consistency checks using transaction MMR1 or MMR2 to identify and correct any issues.
  
  
  
  Review Configuration:
  
  Verify the MRP settings in the configuration (transaction SPRO) to ensure they are set up correctly.
  Check the time series settings and ensure they align with your business processes.
  
  
  
  Database Check:
  
  Perform a database consistency check to identify any corruption or issues.
  If necessary, consult with your database administrator to resolve any underlying database problems.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program that generates the time series to identify the root cause of the error.
  Use transaction SE80 or SE38 to look at the relevant programs.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the transaction has the necessary authorizations to perform the action.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD01 (MRP Run), MD02 (Single-Item MRP), and MD04 (Stock/Requirements List) for MRP processes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to MRP and time series generation for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify and resolve the cause of the MMRP01446 error in your SAP system.