How To Fix CT603 - There are no reduction levels defined for the reduction strategy

SAP Error Message - Details

• Message type: E = Error

• Message class: CT - CIM messages: ATAB table accesses

• Message number: 603

• Message text: There are no reduction levels defined for the reduction strategy

What causes this issue?

No reduction levels have been entered in Customizing for the selected
reduction strategy. Unless you enter reduction levels no reduction
measures can be used.

How to fix this error?

Enter reduction levels
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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CT603 - There are no reduction levels defined for the reduction strategy ?

  The SAP error message CT603, which states "There are no reduction levels defined for the reduction strategy," typically occurs in the context of SAP's Capacity Planning or Production Planning modules. This error indicates that the system is unable to find any defined reduction levels for the specified reduction strategy in the configuration.
  Cause:
  
  Missing Configuration: The reduction strategy you are trying to use does not have any reduction levels defined in the system.
  Incorrect Strategy Assignment: The reduction strategy may not be correctly assigned to the relevant planning object (like a work center or production order).
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings related to the reduction strategy.
  
  Solution:
  To resolve the CT603 error, you can follow these steps:
  
  
  Check Reduction Strategy Configuration:
  
  Go to the configuration settings for the reduction strategy in SAP. This can typically be found in the following path:
  
  SPRO > Production > Capacity Requirements Planning > Capacity Planning > Define Reduction Strategies.
  
  
  Ensure that the reduction strategy you are using has reduction levels defined.
  
  
  
  Define Reduction Levels:
  
  If no reduction levels are defined, you will need to create them. This involves specifying the levels of reduction that are applicable for the strategy.
  Make sure to save your changes after defining the levels.
  
  
  
  Verify Assignment:
  
  Check if the reduction strategy is correctly assigned to the relevant work centers or production orders. You can do this by reviewing the master data for the work centers or production orders.
  
  
  
  Check for Data Consistency:
  
  Ensure that there are no inconsistencies in the data related to the reduction strategy. This may involve checking for any missing or incorrect entries in the relevant tables.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to see if the error persists.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring reduction strategies and levels.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CR01 (Create Work Center), CR02 (Change Work Center), and CR03 (Display Work Center) to manage work centers effectively.
  Support: If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the CT603 error and ensure that your reduction strategy is properly configured in SAP.