How To Fix WRF_REF150 - &1 of &2 task(s) has(have) been processed sequentially by main program

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 150

• Message text: &1 of &2 task(s) has(have) been processed sequentially by main program

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 WRF_REF150 - &1 of &2 task(s) has(have) been processed sequentially by main program ?

  The SAP error message WRF_REF150 indicates that a certain number of tasks have been processed sequentially by the main program. This message typically arises in the context of the SAP Retail module, particularly when dealing with the processing of reference data or tasks related to merchandise management.
  Cause:
  The error message WRF_REF150 usually occurs due to one of the following reasons:
  
  Sequential Processing: The system is designed to process certain tasks sequentially, which may lead to performance issues if there are many tasks queued up.
  Locking Issues: If multiple processes are trying to access the same data or resources, it can lead to a situation where tasks are forced to run sequentially.
  Configuration Issues: There may be configuration settings that dictate how tasks are processed, leading to sequential processing instead of parallel processing.
  Data Volume: A large volume of data being processed can also lead to this message, as the system may not be able to handle the load efficiently.
  
  Solution:
  To resolve the WRF_REF150 error, consider the following steps:
  
  Check Task Configuration: Review the configuration settings for the tasks being processed. Ensure that they are set up to allow parallel processing if applicable.
  Monitor System Performance: Use transaction codes like ST22 (Dump Analysis) and SM21 (System Log) to check for any performance issues or errors that may be causing the sequential processing.
  Optimize Data Volume: If possible, reduce the volume of data being processed at one time. This can be done by breaking down large tasks into smaller batches.
  Review Locking Mechanisms: Investigate if there are any locking issues that are causing the tasks to be processed sequentially. You can use transaction SM12 to check for locks.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error message.
  System Upgrade: If you are running an older version of SAP, consider upgrading to a newer version that may have improved handling of such tasks.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), ST22 (Dump Analysis), and SM21 (System Log) to diagnose issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to the Retail module and task processing for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.