How To Fix WRF_REF404 - Overflow when calculating time for transportation chain id &1 mode &2!

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_REF - Messages from References for Materials Without History

• Message number: 404

• Message text: Overflow when calculating time for transportation chain id &1 mode &2!

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 WRF_REF404 - Overflow when calculating time for transportation chain id &1 mode &2! ?

  The SAP error message WRF_REF404 indicates an overflow issue when calculating time for a transportation chain in the context of SAP's Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) modules. This error typically arises when the system attempts to process time-related calculations that exceed the allowable limits, often due to incorrect or extreme values in the relevant data.
  Causes:
  
  Excessive Time Values: The transportation times defined in the master data (like transportation lanes, routes, etc.) may have excessively high values that lead to overflow during calculations.
  Incorrect Configuration: Configuration settings for transportation chains or modes may not be set up correctly, leading to unrealistic time calculations.
  Data Integrity Issues: There may be inconsistencies or errors in the master data related to transportation, such as incorrect time settings or missing data.
  System Limitations: The system may have inherent limitations on the maximum values it can handle for time calculations, and if these are exceeded, an overflow error can occur.
  
  Solutions:
  
  Review Transportation Times: Check the transportation times defined in the relevant master data (e.g., transportation lanes, routes) and ensure they are realistic and within acceptable limits.
  Check Configuration: Review the configuration settings for transportation chains and modes to ensure they are set up correctly. This includes checking the settings in the SAP APO or SCM system.
  Data Validation: Validate the master data for any inconsistencies or errors. Ensure that all necessary data is complete and accurate.
  Adjust Time Calculations: If applicable, adjust the time calculation logic or parameters to prevent overflow. This may involve changing the way times are calculated or stored.
  Consult SAP Notes: Check for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that can resolve known issues.
  Increase System Limits: If feasible, consider increasing the limits for time calculations in the system settings, although this should be done with caution and typically requires SAP support.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SAPAPO/TSO1 to check transportation lanes or /SAPAPO/TSO2 for transportation chains.
  SAP Documentation: Refer to SAP Help documentation for detailed information on transportation planning and configuration.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the WRF_REF404 error and implement a suitable solution.