How To Fix /SAPAPO/DMRES066 - A component of shift sequence & has been locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 066

• Message text: A component of shift sequence & has been locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES066 - A component of shift sequence & has been locked ?

  The SAP error message /SAPAPO/DMRES066 indicates that a component of a shift sequence has been locked. This typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with production planning and scheduling.
  Cause:
  
  
  Locked Resources: The error usually arises when a resource (such as a machine or work center) that is part of a shift sequence is currently locked by another user or process. This can happen if:
  
  Another user is currently editing the shift sequence.
  A background job is running that is using the same resource.
  The resource is in use in another planning scenario.
  
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the shift sequence.
  
  
  System Configuration: There may be configuration settings that prevent changes to the shift sequence under certain conditions.
  
  
  Solution:
  
  
  Check Locks: 
  
  Use transaction code SM12 to check for any locks on the resource. If you find a lock that is not needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Wait and Retry: If the lock is due to another user or process, you may need to wait until the other user has finished their work or the background job has completed.
  
  
  Review Authorizations: Ensure that you have the necessary authorizations to access and modify the shift sequence. You may need to contact your SAP security team if you suspect authorization issues.
  
  
  Check Configuration: Review the configuration settings related to the shift sequences and resources in the APO system. Ensure that there are no settings that would prevent access.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional troubleshooting steps or patches that may be available.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), CIF (to check integration with other systems), and SCC4 (to check client settings).
  SAP Notes: Search for SAP Notes related to the error message for any known issues or fixes.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical support team for further investigation.