How To Fix MPE_OAN255 - Corresponding characteristic on oper. lvl not found for assignment &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 255

• Message text: Corresponding characteristic on oper. lvl not found for assignment &1 &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN255 - Corresponding characteristic on oper. lvl not found for assignment &1 &2 ?

  The SAP error message MPE_OAN255, which states "Corresponding characteristic on oper. lvl not found for assignment &1 &2," typically occurs in the context of production planning or operations management within SAP. This error indicates that there is a mismatch or missing characteristic assignment at the operation level in a production order or routing.
  Cause:
  
  
  Missing Characteristics: The error often arises when a characteristic that is expected to be assigned to an operation is not found. This could be due to:
  
  The characteristic not being defined in the master data.
  The characteristic not being assigned to the operation in the routing or production order.
  
  
  
  Incorrect Configuration: If the configuration of the routing or the production order does not match the expected setup, this error can occur.
  
  
  Data Inconsistency: There may be inconsistencies in the data between the routing, production order, and the characteristics defined in the system.
  
  
  Solution:
  
  
  Check Routing and Production Order:
  
  Go to the routing or production order where the error occurred.
  Verify that the characteristic in question is correctly assigned to the operation level.
  
  
  
  Define Missing Characteristics:
  
  If the characteristic is missing, you may need to define it in the relevant master data (e.g., material master, routing, or production order).
  Use transaction codes like CA01 (Create Routing) or CO01 (Create Production Order) to check and modify the assignments.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for characteristics and operations are correctly set up in the system.
  Check the configuration in the customizing settings (transaction SPRO) under the relevant modules.
  
  
  
  Data Consistency Check:
  
  Run consistency checks to ensure that all data related to the routing and production order is consistent and correctly linked.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the characteristics and operations relevant to your business processes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01, CA02, CO01, CO02, and C223 for routing and production order management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.