How To Fix ATO_REWORK001 - More than one list of rework tasks for item &2(&1).

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_REWORK - ATO Rework Messages

• Message number: 001

• Message text: More than one list of rework tasks for item &2(&1).

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 ATO_REWORK001 - More than one list of rework tasks for item &2(&1). ?

  The SAP error message ATO_REWORK001 indicates that there is more than one list of rework tasks associated with a specific item in the system. This typically occurs in the context of Advanced Planning and Optimization (APO) or in the configuration of Assemble-to-Order (ATO) processes, where multiple rework tasks may be defined for a single item, leading to ambiguity in processing.
  Cause:
  
  
  Multiple Rework Task Lists: The primary cause of this error is that the system has detected multiple rework task lists for the same item. This can happen if:
  
  The item has been configured with multiple rework scenarios.
  There are inconsistencies in the master data or configuration settings.
  The item has been assigned to multiple production orders or processes that have conflicting rework tasks.
  
  
  
  Data Inconsistency: There may be inconsistencies in the data related to the item, such as incorrect configuration settings or missing links between the item and its rework tasks.
  
  
  Solution:
  
  
  Review Rework Task Lists: Check the configuration of the item in question. Navigate to the relevant configuration settings in SAP and review the rework task lists associated with the item. Ensure that there is only one valid rework task list for the item.
  
  
  Consolidate Rework Tasks: If multiple rework task lists are necessary, consider consolidating them into a single list or ensuring that the system can differentiate between them based on specific criteria.
  
  
  Check Master Data: Verify the master data for the item. Ensure that there are no duplicate entries or conflicting settings that could lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing rework tasks and configurations in your version of SAP.
  
  
  Contact SAP Support: If the issue persists after reviewing the configuration and master data, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or version.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as CS03 (Display Material BOM), CR02 (Change Routing), or CO02 (Change Production Order) to review and modify the relevant configurations.
  Configuration Settings: Familiarize yourself with the configuration settings for ATO and rework tasks in the SAP system, as these can vary based on the specific implementation and version.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, check for any user exits or Business Add-Ins (BAdIs) that may affect the handling of rework tasks.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.