How To Fix /SAPAPO/CDPSSTRATEGY051 - Compact scheduling assumes that relationships are observed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSSTRATEGY -

• Message number: 051

• Message text: Compact scheduling assumes that relationships are observed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CDPSSTRATEGY051 - Compact scheduling assumes that relationships are observed ?

  The SAP error message /SAPAPO/CDPSSTRATEGY051 indicates that there is an issue with the compact scheduling strategy in SAP Advanced Planning and Optimization (APO). Specifically, this error suggests that the compact scheduling process assumes that the relationships between operations are being observed, but it has detected that they are not.
  Cause:
  
  
  Missing Relationships: The error typically arises when there are missing or incorrectly defined relationships between operations in the production process. This can happen if:
  
  The relationships (dependencies) between different operations are not defined in the master data.
  The relationships are defined but not properly maintained or activated.
  
  
  
  Incorrect Configuration: The configuration settings for the compact scheduling strategy may not be set up correctly, leading to the system not recognizing the relationships.
  
  
  Data Integrity Issues: There may be issues with the data integrity in the planning book or master data that prevent the system from recognizing the relationships.
  
  
  Solution:
  
  
  Check and Define Relationships:
  
  Go to the relevant master data (e.g., production resources/tools, work centers) and ensure that all necessary relationships between operations are defined.
  Use transaction codes like /SAPAPO/RESB to check the relationships and dependencies.
  
  
  
  Review Compact Scheduling Configuration:
  
  Check the configuration settings for compact scheduling in the APO system. Ensure that the settings are correctly defined to observe relationships.
  You can access the configuration through the SAP Easy Access menu or transaction codes related to APO configuration.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the planning book and master data to identify any discrepancies or missing information.
  Use transaction /SAPAPO/TS to check for inconsistencies in the planning area.
  
  
  
  Recreate or Adjust Planning Books:
  
  If the issue persists, consider recreating the planning book or adjusting the settings to ensure that relationships are properly observed.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to compact scheduling and the specific error message for additional guidance and troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Review training materials or documentation related to SAP APO and compact scheduling to better understand how to manage relationships and configurations.
  
  By following these steps, you should be able to resolve the error and ensure that the compact scheduling strategy functions correctly in your SAP APO environment.