How To Fix MD481 - Scheduling parameters are not maintained in Customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 481

• Message text: Scheduling parameters are not maintained in Customizing

What causes this issue?

Either the scheduling levels, the control parameters for scheduling or
the scheduling type could not be determined in Customizing.

System Response

The planned order is not scheduled and no capacity requirements are
created.

How to fix this error?

Maintain the missing entries in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD481 - Scheduling parameters are not maintained in Customizing ?

  The SAP error message MD481 indicates that scheduling parameters are not maintained in the Customizing settings for the relevant material or plant. This error typically arises when trying to perform a planning operation, such as running MRP (Material Requirements Planning) or creating a production order, and the system cannot find the necessary scheduling parameters.
  Cause:
  The primary cause of the MD481 error is that the scheduling parameters for the material in question have not been defined in the Customizing settings. This can happen for several reasons:
  
  The material master data is incomplete or not properly maintained.
  The relevant plant or storage location settings are missing.
  The scheduling parameters have not been set up for the specific material type or planning strategy.
  
  Solution:
  To resolve the MD481 error, you need to ensure that the scheduling parameters are correctly maintained in the Customizing settings. Here are the steps to do this:
  
  
  Check Material Master Data:
  
  Go to transaction code MM02 (Change Material) and enter the material number.
  Check the relevant views (e.g., MRP view, Basic Data view) to ensure that all necessary fields are filled out, especially those related to scheduling.
  
  
  
  Maintain Scheduling Parameters:
  
  Go to transaction code SPRO (Customizing) and navigate to:
  
  Logistics -> Production -> MRP -> MRP Parameters -> Define MRP Parameters.
  
  
  Ensure that the scheduling parameters are defined for the relevant material type and plant.
  
  
  
  Check Plant-Specific Settings:
  
  Ensure that the plant-specific settings for the material are correctly maintained. This includes checking the MRP views for the specific plant.
  
  
  
  Review Planning Strategy:
  
  If applicable, check the planning strategy assigned to the material. Some planning strategies may require specific scheduling parameters to be set.
  
  
  
  Consult Documentation:
  
  If you are unsure about the required parameters, consult the SAP documentation or your organization's SAP support team for guidance on the specific settings needed for your business processes.
  
  
  
  Test Changes:
  
  After making the necessary changes, test the planning operation again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM02: Change Material Master
  SPRO: Customizing
  MD01: MRP Run
  MD02: MRP Run for Single Material
  
  
  
  SAP Notes:
  
  Check SAP Notes related to MRP and scheduling parameters for any additional guidance or known issues.
  
  
  
  User Roles:
  
  Ensure that you have the necessary authorizations to make changes in the material master and Customizing settings.
  
  
  
  By following these steps, you should be able to resolve the MD481 error and ensure that the scheduling parameters are properly maintained in your SAP system.