How To Fix /SAPAPO/MAT189 - Specify assembly scrap in percent

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 189

• Message text: Specify assembly scrap in percent

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MAT189 - Specify assembly scrap in percent ?

  The SAP error message /SAPAPO/MAT189 Specify assembly scrap in percent typically occurs in the context of Advanced Planning and Optimization (APO) when you are trying to create or modify a production order or a planning scenario that involves assembly processes. This error indicates that the system requires you to specify the percentage of scrap that is expected during the assembly process.
  Cause:
  The error is triggered because the assembly process requires a scrap percentage to be defined, which is not provided in the relevant configuration or master data. Scrap percentage is important for accurate planning and inventory management, as it helps in estimating the yield and the amount of raw materials needed.
  Solution:
  To resolve this error, you need to specify the assembly scrap percentage in the relevant configuration or master data. Here are the steps you can take:
  
  
  Check Material Master Data:
  
  Go to the material master record for the relevant material.
  Navigate to the "MRP" (Material Requirements Planning) view or the "Production" view.
  Look for the field related to scrap percentage (often labeled as "Scrap" or "Assembly Scrap").
  Enter the appropriate scrap percentage based on your production process.
  
  
  
  Check Production Version:
  
  If you are using production versions, ensure that the production version for the material has the scrap percentage defined.
  You can do this by navigating to the production version settings in the material master.
  
  
  
  Check Recipe or Bill of Materials (BOM):
  
  If applicable, check the recipe or BOM associated with the assembly process.
  Ensure that the scrap percentage is defined in the recipe or BOM settings.
  
  
  
  Configuration Settings:
  
  If the scrap percentage is a required field in your configuration, you may need to adjust the configuration settings in the APO system.
  Consult with your SAP configuration team to ensure that the settings align with your business processes.
  
  
  
  Testing:
  
  After making the necessary changes, try to execute the process again to see if the error persists.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation or help files for more detailed information on how to manage scrap percentages in your specific version of SAP APO.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional guidance.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the error and proceed with your assembly process in SAP APO.