How To Fix /SAPAPO/PSPP_DPP020 - Some locations are blocked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PSPP_DPP -

• Message number: 020

• Message text: Some locations are blocked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PSPP_DPP020 - Some locations are blocked ?

  The SAP error message /SAPAPO/PSPP_DPP020 indicates that some locations are blocked in the context of Demand Planning or Supply Network Planning within SAP Advanced Planning and Optimization (APO). This error typically arises when certain locations (e.g., plants, distribution centers) are not available for planning or execution due to various reasons.
  Cause:
  
  Blocked Locations: The most common cause is that the locations in question have been marked as blocked in the system. This could be due to maintenance, capacity issues, or other operational constraints.
  Master Data Issues: There may be issues with the master data configuration for the locations, such as incorrect settings or missing data.
  Planning Version: The planning version being used may not include the blocked locations, or the locations may be excluded from the planning process.
  Time Period: The error may also occur if the planning horizon does not include the time periods for which the locations are blocked.
  
  Solution:
  
  Check Location Status: Review the status of the locations in the system. You can do this by navigating to the relevant master data transaction (e.g., location master data) and checking if the locations are marked as blocked.
  Unblock Locations: If the locations are blocked and should not be, you can unblock them by changing the status in the master data settings.
  Review Planning Version: Ensure that the planning version you are using includes the blocked locations. You may need to adjust the settings or select a different planning version.
  Check Time Periods: Verify that the time periods you are planning for are correctly set and that they align with the availability of the locations.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific guidance or updates that may apply to your version of SAP APO.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as /SAPAPO/LOC (Location Master Data) or /SAPAPO/DP (Demand Planning) to access and modify the relevant data.
  SAP Notes: Check for any SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  User Authorization: Ensure that you have the necessary authorizations to view and modify the location settings in the system.
  Consult with SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.