How To Fix /SAPAPO/DMRES251 - Resources on blocked locations were filtered out in change mode.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 251

• Message text: Resources on blocked locations were filtered out in change mode.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES251 - Resources on blocked locations were filtered out in change mode. ?

  The SAP error message /SAPAPO/DMRES251 indicates that resources associated with blocked locations are being filtered out during a change operation in the SAP Advanced Planning and Optimization (APO) module. This typically occurs when you are trying to perform a planning operation (like a demand planning or supply network planning) and the system identifies that certain resources cannot be used because their associated locations are blocked.
  Cause:
  
  Blocked Locations: The primary cause of this error is that the locations associated with the resources you are trying to use are marked as blocked in the system. This could be due to various reasons, such as maintenance, capacity issues, or other operational constraints.
  Resource Allocation: The system is designed to prevent the use of resources that are linked to blocked locations to ensure that planning and execution are not disrupted by unavailable resources.
  Master Data Issues: There may be inconsistencies or errors in the master data configuration for resources or locations.
  
  Solution:
  
  Check Location Status: Review the status of the locations associated with the resources. If they are indeed blocked, determine the reason for the blockage and resolve it. This may involve unblocking the location or addressing the underlying issue that caused the blockage.
  Resource Configuration: Ensure that the resources are correctly configured and that they are not inadvertently linked to blocked locations. You may need to reassign resources to different locations if necessary.
  Master Data Review: Conduct a thorough review of the master data for both resources and locations. Ensure that all relevant data is accurate and up to date.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing blocked locations and resources in your version of SAP APO.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO that can help you manage resources and locations, such as /SAPAPO/RES01 for resource planning.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to resources and locations in the system.
  Training and Documentation: Consider training sessions or reviewing documentation related to resource management in SAP APO to better understand how to handle such issues in the future.
  
  By addressing the blocked locations and ensuring proper resource allocation, you should be able to resolve the error and continue with your planning activities in SAP APO.