How To Fix /SCMTMS/SCH175 - Schedule locked; changes to &1 dep. rule stage will be applied later

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/SCH -

• Message number: 175

• Message text: Schedule locked; changes to &1 dep. rule stage will be applied later

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/SCH175 - Schedule locked; changes to &1 dep. rule stage will be applied later ?

  The SAP error message /SCMTMS/SCH175 Schedule locked; changes to &1 dep. rule stage will be applied later typically occurs in the context of SAP Transportation Management (TM) when there are changes being made to a scheduling or planning object that is currently locked for editing. This can happen for various reasons, such as ongoing processes, transactions, or other users accessing the same data.
  Cause:
  
  Concurrent Access: Another user or process is currently editing the schedule or related data, causing a lock.
  Ongoing Processes: A background job or process is running that is using the same scheduling data.
  System Configuration: Certain configurations or settings in the system may lead to locks being applied to specific scheduling objects.
  
  Solution:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the relevant objects. If you find locks that are no longer needed, you can delete them (ensure you have the necessary authorizations).
  Wait for Completion: If another user or process is working on the schedule, it may be best to wait until they complete their changes.
  Review Background Jobs: Check if there are any background jobs running that might be locking the schedule. You can use transaction code SM37 to monitor background jobs.
  Retry Later: If the changes are not urgent, you can simply retry the operation after some time.
  Consult Documentation: Review SAP documentation or notes related to this error message for any specific guidance or patches that may be applicable.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SM37 (to monitor background jobs), and ST22 (to check for dumps).
  SAP Notes: Search for SAP Notes related to this error message for any known issues or fixes.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the scheduling data.
  System Performance: Sometimes, system performance issues can lead to delays in releasing locks. Monitor system performance if this is a recurring issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.