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

/SAPAPO/DMRES066 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 066

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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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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